respect raylib style-guide
This commit is contained in:
Alexey Karnachev
parent
64eb5b1a7a
commit
4901d375ac
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@ -1,3 +1,18 @@
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/*******************************************************************************************
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*
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* raylib [gizmo] example - Gizmo gadget for an interactive object 3D transformations
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*
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* Example originally created with raylib 5.0, last time updated with raylib 5.0
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*
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* Example contributed by Alexey Karnachev (@alexeykarnachev) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2023-2024 Alexey Karnachev (@alexeykarnachev)
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*
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********************************************************************************************/
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#include "raylib.h"
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#include "rcamera.h"
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@ -5,39 +20,46 @@
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#include "gizmo.h"
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#undef RAYGIZMO_IMPLEMENTATION
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void updateCamera(Camera3D* camera) {
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float rot_speed = 0.003f;
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float move_speed = 0.01f;
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float zoom_speed = 1.0f;
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#define CAMERA_ROT_SPEED 0.003f
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#define CAMERA_MOVE_SPEED 0.01f
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#define CAMERA_ZOOM_SPEED 1.0f
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bool is_middle = IsMouseButtonDown(2);
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bool is_shift = IsKeyDown(KEY_LEFT_SHIFT);
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Vector2 mouse_delta = GetMouseDelta();
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// Updates the camera in the orbital-style, i.e camera rotates around the look-at point by the orbit
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static void updateCamera(Camera3D* camera) {
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bool isMMBDown = IsMouseButtonDown(2);
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bool isShiftDown = IsKeyDown(KEY_LEFT_SHIFT);
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Vector2 mouseDelta = GetMouseDelta();
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if (is_middle && is_shift) {
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CameraMoveRight(camera, -move_speed * mouse_delta.x, true);
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// Shift + MMB + mouse move -> change the camera position in the right-direction plane
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if (isMMBDown && isShiftDown) {
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CameraMoveRight(camera, -CAMERA_MOVE_SPEED * mouseDelta.x, true);
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Vector3 right = GetCameraRight(camera);
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Vector3 up = Vector3CrossProduct(
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Vector3Subtract(camera->position, camera->target), right
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);
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up = Vector3Scale(Vector3Normalize(up), move_speed * mouse_delta.y);
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up = Vector3Scale(Vector3Normalize(up), CAMERA_MOVE_SPEED * mouseDelta.y);
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camera->position = Vector3Add(camera->position, up);
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camera->target = Vector3Add(camera->target, up);
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} else if (is_middle) {
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CameraYaw(camera, -rot_speed * mouse_delta.x, true);
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CameraPitch(camera, rot_speed * mouse_delta.y, true, true, false);
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// Rotate the camera around the look-at point
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} else if (isMMBDown) {
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CameraYaw(camera, -CAMERA_ROT_SPEED * mouseDelta.x, true);
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CameraPitch(camera, CAMERA_ROT_SPEED * mouseDelta.y, true, true, false);
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}
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CameraMoveToTarget(camera, -GetMouseWheelMove() * zoom_speed);
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// Bring camera closer (or move away), to the look-at point
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CameraMoveToTarget(camera, -GetMouseWheelMove() * CAMERA_ZOOM_SPEED);
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}
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int main(void) {
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const int screen_width = 800;
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const int screen_height = 450;
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InitWindow(screen_width, screen_height, "Gizmo");
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SetTargetFPS(60);
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [gizmo] example - gizmo gadget");
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// Define 3D perspective camera
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Camera3D camera;
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camera.fovy = 45.0f;
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camera.target = (Vector3){0.0f, 0.0f, 0.0f};
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@ -45,20 +67,25 @@ int main(void) {
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camera.up = (Vector3){0.0f, 1.0f, 0.0f};
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camera.projection = CAMERA_PERSPECTIVE;
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Model model = LoadModelFromMesh(GenMeshTorus(0.3, 1.5, 16.0, 16.0));
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Model model = LoadModelFromMesh(GenMeshTorus(0.3, 1.5, 16.0, 16.0)); // Create simple torus model
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loadGizmo(); // Load gizmo
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LoadGizmo();
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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while (!WindowShouldClose()) {
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while (!WindowShouldClose())
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{
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// Update
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//----------------------------------------------------------------------------------
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updateCamera(&camera);
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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{
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ClearBackground(DARKGRAY);
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rlEnableDepthTest();
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BeginMode3D(camera);
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{
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// Draw main model
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DrawModel(model, (Vector3){0.0, 0.0, 0.0}, 1.0, PURPLE);
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@ -83,13 +110,12 @@ int main(void) {
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(Vector3){0.0f, 0.0f, 50.0f},
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DARKBLUE
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);
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}
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EndMode3D();
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// Immediately update and draw gizmo
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Vector3 position = {
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model.transform.m12, model.transform.m13, model.transform.m14};
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Matrix transform = UpdateGizmo(camera, position);
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Matrix transform = updateAndDrawGizmo(camera, position);
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// Apply gizmo-produced transformation to the model
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model.transform = MatrixMultiply(model.transform, transform);
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@ -100,13 +126,16 @@ int main(void) {
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DrawText(" zoom: wheel", 5, 25, 20, RED);
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DrawText(" rotate: mmb", 5, 45, 20, RED);
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DrawText(" translate: shift + mmb", 5, 65, 20, RED);
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}
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EndDrawing();
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}
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UnloadGizmo();
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UnloadModel(model);
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CloseWindow();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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unloadGizmo(); // Unload gizmo
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UnloadModel(model); // Unload model
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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@ -1,17 +1,60 @@
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#include <raylib.h>
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#include <stdlib.h>
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/*******************************************************************************************
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Alexey Karnachev License
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---------------------------------------------------------------------------------
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MIT License
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void LoadGizmo();
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void UnloadGizmo();
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Matrix UpdateGizmo(Camera3D camera, Vector3 position);
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Copyright (c) 2023 Alexey Karnachev
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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---------------------------------------------------------------------------------
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Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
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This software is provided "as-is", without any express or implied warranty. In no event
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will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose, including commercial
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applications, and to alter it and redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you
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wrote the original software. If you use this software in a product, an acknowledgment
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in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented
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as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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**********************************************************************************************/
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#include <raylib.h>
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void loadGizmo();
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void unloadGizmo();
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Matrix updateAndDrawGizmo(Camera3D camera, Vector3 position);
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#ifdef RAYGIZMO_IMPLEMENTATION
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#include "raymath.h"
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#include <math.h>
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#include <rlgl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <rlgl.h>
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#include "raymath.h"
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// This will be multiplied by the distance from the camera to the gizmo,
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// Which keeps the screen-space gizmo size constant.
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@ -22,23 +65,24 @@ Matrix UpdateGizmo(Camera3D camera, Vector3 position);
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#define GIZMO_ACTIVE_AXIS_DRAW_THICKNESS 2.0f
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// These sizes are relative to the gizmo radius
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#define GIZMO_AXIS_HANDLE_LENGTH 1.2;
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#define GIZMO_AXIS_HANDLE_TIP_LENGTH 0.3;
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#define GIZMO_AXIS_HANDLE_TIP_RADIUS 0.1;
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#define GIZMO_PLANE_HANDLE_OFFSET 0.4;
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#define GIZMO_PLANE_HANDLE_SIZE 0.2;
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#define GIZMO_AXIS_HANDLE_LENGTH 1.2f;
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#define GIZMO_AXIS_HANDLE_TIP_LENGTH 0.3f;
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#define GIZMO_AXIS_HANDLE_TIP_RADIUS 0.1f;
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#define GIZMO_PLANE_HANDLE_OFFSET 0.4f;
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#define GIZMO_PLANE_HANDLE_SIZE 0.2f;
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#define X_AXIS \
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(Vector3) { 1.0, 0.0, 0.0 }
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#define Y_AXIS \
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(Vector3) { 0.0, 1.0, 0.0 }
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#define Z_AXIS \
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(Vector3) { 0.0, 0.0, 1.0 }
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#define X_AXIS (Vector3){ 1.0, 0.0, 0.0 }
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#define Y_AXIS (Vector3){ 0.0, 1.0, 0.0 }
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#define Z_AXIS (Vector3){ 0.0, 0.0, 1.0 }
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#define MASK_FRAMEBUFFER_WIDTH 500.0
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#define MASK_FRAMEBUFFER_HEIGHT 500.0
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// Size of the additional buffer to pre-render the gizmo into.
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// Used for the mouse picking.
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#define MASK_FRAMEBUFFER_WIDTH 500
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#define MASK_FRAMEBUFFER_HEIGHT 500
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#define swap(x, y) \
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#define ID_TO_RED_COLOR(id) (Color){ id, 0, 0, 0 }
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#define SWAP(x, y) \
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do { \
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unsigned char \
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swap_temp[sizeof(x) == sizeof(y) ? (signed)sizeof(x) : -1]; \
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memcpy(&x, swap_temp, sizeof(x)); \
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} while (0)
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#define id_to_red_color(id) \
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(Color) { id, 0, 0, 0 }
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#if defined(PLATFORM_DESKTOP) // Shaders for PLATFORM_DESKTOP
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static const char* SHADER_COLOR_VERT = "\
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#version 330\n\
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in vec3 vertexPosition; \
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@ -57,21 +100,23 @@ in vec4 vertexColor; \
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out vec4 fragColor; \
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out vec3 fragPosition; \
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uniform mat4 mvp; \
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void main() { \
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void main() \
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{ \
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fragColor = vertexColor; \
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fragPosition = vertexPosition; \
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gl_Position = mvp * vec4(vertexPosition, 1.0); \
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} \
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";
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static const char* SHADER_ROT_HANDLE_COLOR_FRAG = "\
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static const char* shaderRotHandleColor_FRAG = "\
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#version 330\n\
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in vec4 fragColor; \
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in vec3 fragPosition; \
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uniform vec3 cameraPosition; \
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uniform vec3 gizmoPosition; \
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out vec4 finalColor; \
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void main() { \
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void main() \
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{ \
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vec3 r = normalize(fragPosition - gizmoPosition); \
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vec3 c = normalize(fragPosition - cameraPosition); \
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if (dot(r, c) > 0.1) discard; \
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@ -79,15 +124,48 @@ void main() { \
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} \
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";
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static Shader SHADER_ROT_HANDLE_COLOR;
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static int SHADER_ROT_HANDLE_CAMERA_POS_LOC;
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static int SHADER_ROT_HANDLE_GIZMO_POS_LOC;
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#else // Shaders for PLATFORM_ANDROID, PLATFORM_WEB
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static unsigned int MASK_FRAMEBUFFER;
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static unsigned int MASK_TEXTURE;
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static const char* SHADER_COLOR_VERT = "\
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#version 100\n\
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attribute vec3 vertexPosition; \
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attribute vec4 vertexColor; \
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varying vec4 fragColor; \
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varying vec3 fragPosition; \
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uniform mat4 mvp; \
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void main() \
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{ \
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fragColor = vertexColor; \
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fragPosition = vertexPosition; \
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gl_Position = mvp * vec4(vertexPosition, 1.0); \
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} \
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";
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static bool IS_GIZMO_LOADED;
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static Vector3 GIZMO_CURRENT_AXIS;
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static const char* shaderRotHandleColor_FRAG = "\
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#version 100\n\
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precision mediump float; \
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varying vec4 fragColor; \
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varying vec3 fragPosition; \
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uniform vec3 cameraPosition; \
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uniform vec3 gizmoPosition; \
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void main() { \
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vec3 r = normalize(fragPosition - gizmoPosition); \
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vec3 c = normalize(fragPosition - cameraPosition); \
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if (dot(r, c) > 0.1) discard; \
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gl_FragColor = fragColor; \
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} \
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";
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#endif
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static Shader shaderRotHandleColor;
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static int ShaderRotHandleCameraPosLoc;
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static int ShaderRotHandleGizmoPosLoc;
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static unsigned int maskFramebuffer;
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static unsigned int maskTexture;
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static bool isGizmoLoaded;
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static Vector3 gizmoCurrentAxis;
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typedef enum HandleId {
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HANDLE_X,
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@ -129,7 +207,7 @@ typedef struct Handle {
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Vector3 position;
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Vector3 axis;
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Color color;
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float dist_to_cam;
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float distToCamera;
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} Handle;
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typedef struct HandleColors {
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@ -142,17 +220,17 @@ typedef struct Handles {
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Handle arr[3];
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} Handles;
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static GizmoState GIZMO_STATE;
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static GizmoState gizmoState;
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bool check_if_mouse_moved() {
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Vector2 mouse_delta = GetMouseDelta();
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return (fabs(mouse_delta.x) + fabs(mouse_delta.y)) > EPSILON;
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static bool checkIfMouseMoved() {
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Vector2 mouseDelta = GetMouseDelta();
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return (fabs(mouseDelta.x) + fabs(mouseDelta.y)) > EPSILON;
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}
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static float vector2_get_angle(Vector2 v1, Vector2 v2) {
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Vector2 v1_norm = Vector2Normalize(v1);
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Vector2 v2_norm = Vector2Normalize(v2);
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float dot = Vector2DotProduct(v1_norm, v2_norm);
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static float getAngleBetweenTwoVector2(Vector2 v1, Vector2 v2) {
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Vector2 v1Normal = Vector2Normalize(v1);
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Vector2 v2Normal = Vector2Normalize(v2);
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float dot = Vector2DotProduct(v1Normal, v2Normal);
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if (1.0 - fabs(dot) < EPSILON) return 0.0;
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float angle = acos(dot);
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@ -163,71 +241,63 @@ static float vector2_get_angle(Vector2 v1, Vector2 v2) {
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else return -angle;
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}
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static int isect_line_plane(
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Vector3* out_p,
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Vector3 line_p0,
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Vector3 line_p1,
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Vector3 plane_p,
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Vector3 plane_normal
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static int intersectLinePlane(
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Vector3* outPoint,
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Vector3 linePoint0,
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Vector3 linePoint1,
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Vector3 planePoint,
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Vector3 planeNormal
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) {
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Vector3 u = Vector3Subtract(line_p1, line_p0);
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float dot = Vector3DotProduct(plane_normal, u);
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if (fabs(dot) <= EPSILON) {
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return 0;
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}
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Vector3 u = Vector3Subtract(linePoint1, linePoint0);
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float dot = Vector3DotProduct(planeNormal, u);
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if (fabs(dot) <= EPSILON) return 0;
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Vector3 w = Vector3Subtract(line_p0, plane_p);
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float k = -Vector3DotProduct(plane_normal, w) / dot;
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Vector3 w = Vector3Subtract(linePoint0, planePoint);
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float k = -Vector3DotProduct(planeNormal, w) / dot;
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u = Vector3Scale(u, k);
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*out_p = Vector3Add(line_p0, u);
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*outPoint = Vector3Add(linePoint0, u);
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return 1;
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}
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static int get_two_vecs_nearest_point(
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Vector3* vec0_out_nearest_point,
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Vector3 vec0_p0,
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Vector3 vec0_p1,
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Vector3 vec1_p0,
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Vector3 vec1_p1
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static int getTwoLinesNearestPoint(
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Vector3* outPoint,
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Vector3 line0Point0,
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Vector3 line0Point1,
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Vector3 line1Point0,
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Vector3 line1Point1
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) {
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Vector3 vec0 = Vector3Subtract(vec0_p1, vec0_p0);
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Vector3 vec1 = Vector3Subtract(vec1_p1, vec1_p0);
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Vector3 plane_vec = Vector3CrossProduct(vec0, vec1);
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plane_vec = Vector3Normalize(plane_vec);
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Vector3 plane_normal = Vector3CrossProduct(vec0, plane_vec);
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plane_normal = Vector3Normalize(plane_normal);
|
||||
Vector3 vec0 = Vector3Subtract(line0Point1, line0Point0);
|
||||
Vector3 vec1 = Vector3Subtract(line1Point1, line1Point0);
|
||||
Vector3 planeVec = Vector3Normalize(Vector3CrossProduct(vec0, vec1));
|
||||
Vector3 planeNormal = Vector3Normalize(Vector3CrossProduct(vec0, planeVec));
|
||||
|
||||
int is_isect = isect_line_plane(
|
||||
vec0_out_nearest_point, vec1_p0, vec1_p1, vec0_p0, plane_normal
|
||||
int isIntersected = intersectLinePlane(
|
||||
outPoint, line1Point0, line1Point1, line0Point0, planeNormal
|
||||
);
|
||||
|
||||
return is_isect;
|
||||
return isIntersected;
|
||||
}
|
||||
|
||||
static RayCollision get_ray_plane_collision(
|
||||
Ray ray, Vector3 plane_point, Vector3 plane_normal
|
||||
static RayCollision getRayPlaneCollision(
|
||||
Ray ray, Vector3 planePoint, Vector3 planeNormal
|
||||
) {
|
||||
RayCollision collision = {0};
|
||||
|
||||
// Calculate the parameter t
|
||||
float denominator = ray.direction.x * plane_normal.x
|
||||
+ ray.direction.y * plane_normal.y
|
||||
+ ray.direction.z * plane_normal.z;
|
||||
float denominator = ray.direction.x * planeNormal.x
|
||||
+ ray.direction.y * planeNormal.y
|
||||
+ ray.direction.z * planeNormal.z;
|
||||
|
||||
if (denominator == 0) {
|
||||
// Ray is parallel to the plane, no collision
|
||||
return collision;
|
||||
}
|
||||
// Ray is parallel to the plane, no collision
|
||||
if (denominator == 0) return collision;
|
||||
|
||||
float t = ((plane_point.x - ray.position.x) * plane_normal.x
|
||||
+ (plane_point.y - ray.position.y) * plane_normal.y
|
||||
+ (plane_point.z - ray.position.z) * plane_normal.z)
|
||||
float t = ((planePoint.x - ray.position.x) * planeNormal.x
|
||||
+ (planePoint.y - ray.position.y) * planeNormal.y
|
||||
+ (planePoint.z - ray.position.z) * planeNormal.z)
|
||||
/ denominator;
|
||||
|
||||
if (t < 0) {
|
||||
// Intersection point is behind the ray's starting point, no collision
|
||||
return collision;
|
||||
}
|
||||
// Intersection point is behind the ray's starting point, no collision
|
||||
if (t < 0) return collision;
|
||||
|
||||
// Calculate the collision point
|
||||
collision.point.x = ray.position.x + t * ray.direction.x;
|
||||
|
|
@ -238,188 +308,180 @@ static RayCollision get_ray_plane_collision(
|
|||
return collision;
|
||||
}
|
||||
|
||||
static Handles get_sorted_handles(Handle h0, Handle h1, Handle h2) {
|
||||
if (h0.dist_to_cam < h1.dist_to_cam) swap(h0, h1);
|
||||
if (h1.dist_to_cam < h2.dist_to_cam) swap(h1, h2);
|
||||
if (h0.dist_to_cam < h1.dist_to_cam) swap(h0, h1);
|
||||
static Handles getSortedHandled(Handle h0, Handle h1, Handle h2) {
|
||||
if (h0.distToCamera < h1.distToCamera) SWAP(h0, h1);
|
||||
if (h1.distToCamera < h2.distToCamera) SWAP(h1, h2);
|
||||
if (h0.distToCamera < h1.distToCamera) SWAP(h0, h1);
|
||||
|
||||
Handles handles = {.arr = {h0, h1, h2}};
|
||||
return handles;
|
||||
}
|
||||
|
||||
static HandleColors get_handle_colors(GizmoState hot_state) {
|
||||
bool is_hot = GIZMO_STATE == hot_state || GIZMO_STATE == hot_state + 4;
|
||||
Color x = is_hot && GIZMO_CURRENT_AXIS.x == 1.0 ? WHITE : RED;
|
||||
Color y = is_hot && GIZMO_CURRENT_AXIS.y == 1.0 ? WHITE : GREEN;
|
||||
Color z = is_hot && GIZMO_CURRENT_AXIS.z == 1.0 ? WHITE : BLUE;
|
||||
static HandleColors getHandleColors(GizmoState hotState) {
|
||||
bool isHot = gizmoState == hotState || gizmoState == hotState + 4;
|
||||
Color x = isHot && gizmoCurrentAxis.x == 1.0f ? WHITE : RED;
|
||||
Color y = isHot && gizmoCurrentAxis.y == 1.0f ? WHITE : GREEN;
|
||||
Color z = isHot && gizmoCurrentAxis.z == 1.0f ? WHITE : BLUE;
|
||||
HandleColors colors = {x, y, z};
|
||||
return colors;
|
||||
}
|
||||
|
||||
static void draw_axis_handles(
|
||||
static void drawAxisHandles(
|
||||
Camera3D camera,
|
||||
Vector3 position,
|
||||
float gizmo_radius,
|
||||
Color color_x,
|
||||
Color color_y,
|
||||
Color color_z
|
||||
float gizmoRadius,
|
||||
Color colorX,
|
||||
Color colorY,
|
||||
Color colorZ
|
||||
) {
|
||||
float length = gizmo_radius * GIZMO_AXIS_HANDLE_LENGTH;
|
||||
float tip_length = gizmo_radius * GIZMO_AXIS_HANDLE_TIP_LENGTH;
|
||||
float tip_radius = gizmo_radius * GIZMO_AXIS_HANDLE_TIP_RADIUS;
|
||||
float length = gizmoRadius * GIZMO_AXIS_HANDLE_LENGTH;
|
||||
float tipLength = gizmoRadius * GIZMO_AXIS_HANDLE_TIP_LENGTH;
|
||||
float tipRadius = gizmoRadius * GIZMO_AXIS_HANDLE_TIP_RADIUS;
|
||||
|
||||
Vector3 px = Vector3Add(position, Vector3Scale(X_AXIS, length));
|
||||
Vector3 py = Vector3Add(position, Vector3Scale(Y_AXIS, length));
|
||||
Vector3 pz = Vector3Add(position, Vector3Scale(Z_AXIS, length));
|
||||
|
||||
Handle hx = {px, X_AXIS, color_x, Vector3DistanceSqr(px, camera.position)};
|
||||
Handle hy = {py, Y_AXIS, color_y, Vector3DistanceSqr(py, camera.position)};
|
||||
Handle hz = {pz, Z_AXIS, color_z, Vector3DistanceSqr(pz, camera.position)};
|
||||
Handle hx = {px, X_AXIS, colorX, Vector3DistanceSqr(px, camera.position)};
|
||||
Handle hy = {py, Y_AXIS, colorY, Vector3DistanceSqr(py, camera.position)};
|
||||
Handle hz = {pz, Z_AXIS, colorZ, Vector3DistanceSqr(pz, camera.position)};
|
||||
|
||||
Handles handles = get_sorted_handles(hx, hy, hz);
|
||||
Handles handles = getSortedHandled(hx, hy, hz);
|
||||
|
||||
for (int i = 0; i < 3; ++i) {
|
||||
Handle* h = &handles.arr[i];
|
||||
Vector3 tip_end = Vector3Add(
|
||||
h->position, Vector3Scale(h->axis, tip_length)
|
||||
Vector3 tipEnd = Vector3Add(
|
||||
h->position, Vector3Scale(h->axis, tipLength)
|
||||
);
|
||||
DrawLine3D(position, h->position, h->color);
|
||||
DrawCylinderEx(h->position, tip_end, tip_radius, 0.0, 16, h->color);
|
||||
DrawCylinderEx(h->position, tipEnd, tipRadius, 0.0f, 16, h->color);
|
||||
}
|
||||
}
|
||||
|
||||
static void draw_plane_handles(
|
||||
static void drawPlaneHandles(
|
||||
Camera3D camera,
|
||||
Vector3 position,
|
||||
float gizmo_radius,
|
||||
Color color_x,
|
||||
Color color_y,
|
||||
Color color_z
|
||||
float gizmoRadius,
|
||||
Color colorX,
|
||||
Color colorY,
|
||||
Color colorZ
|
||||
) {
|
||||
float offset = gizmo_radius * GIZMO_PLANE_HANDLE_OFFSET;
|
||||
float size = gizmo_radius * GIZMO_PLANE_HANDLE_SIZE;
|
||||
float offset = gizmoRadius * GIZMO_PLANE_HANDLE_OFFSET;
|
||||
float size = gizmoRadius * GIZMO_PLANE_HANDLE_SIZE;
|
||||
|
||||
Vector3 px = Vector3Add(position, (Vector3){0.0, offset, offset});
|
||||
Vector3 py = Vector3Add(position, (Vector3){offset, 0.0, offset});
|
||||
Vector3 pz = Vector3Add(position, (Vector3){offset, offset, 0.0});
|
||||
Vector3 px = Vector3Add(position, (Vector3){0.0f, offset, offset});
|
||||
Vector3 py = Vector3Add(position, (Vector3){offset, 0.0f, offset});
|
||||
Vector3 pz = Vector3Add(position, (Vector3){offset, offset, 0.0f});
|
||||
|
||||
Handle hx = {px, Z_AXIS, color_x, Vector3DistanceSqr(px, camera.position)};
|
||||
Handle hy = {py, Y_AXIS, color_y, Vector3DistanceSqr(py, camera.position)};
|
||||
Handle hz = {pz, X_AXIS, color_z, Vector3DistanceSqr(pz, camera.position)};
|
||||
Handle hx = {px, Z_AXIS, colorX, Vector3DistanceSqr(px, camera.position)};
|
||||
Handle hy = {py, Y_AXIS, colorY, Vector3DistanceSqr(py, camera.position)};
|
||||
Handle hz = {pz, X_AXIS, colorZ, Vector3DistanceSqr(pz, camera.position)};
|
||||
|
||||
Handles handles = get_sorted_handles(hx, hy, hz);
|
||||
Handles handles = getSortedHandled(hx, hy, hz);
|
||||
|
||||
rlDisableBackfaceCulling();
|
||||
for (int i = 0; i < 3; ++i) {
|
||||
Handle* h = &handles.arr[i];
|
||||
rlPushMatrix();
|
||||
{
|
||||
rlTranslatef(h->position.x, h->position.y, h->position.z);
|
||||
rlRotatef(90.0, h->axis.x, h->axis.y, h->axis.z);
|
||||
rlRotatef(90.0f, h->axis.x, h->axis.y, h->axis.z);
|
||||
DrawPlane(
|
||||
Vector3Zero(), Vector2Scale(Vector2One(), size), h->color
|
||||
);
|
||||
}
|
||||
rlPopMatrix();
|
||||
}
|
||||
}
|
||||
|
||||
static void draw_rot_handles(
|
||||
static void drawRotHandles(
|
||||
Camera3D camera,
|
||||
Vector3 position,
|
||||
float gizmo_radius,
|
||||
Color color_x,
|
||||
Color color_y,
|
||||
Color color_z
|
||||
float gizmoRadius,
|
||||
Color colorX,
|
||||
Color colorY,
|
||||
Color colorZ
|
||||
) {
|
||||
BeginShaderMode(SHADER_ROT_HANDLE_COLOR);
|
||||
{
|
||||
BeginShaderMode(shaderRotHandleColor);
|
||||
SetShaderValue(
|
||||
SHADER_ROT_HANDLE_COLOR,
|
||||
SHADER_ROT_HANDLE_CAMERA_POS_LOC,
|
||||
shaderRotHandleColor,
|
||||
ShaderRotHandleCameraPosLoc,
|
||||
&camera.position,
|
||||
SHADER_UNIFORM_VEC3
|
||||
);
|
||||
SetShaderValue(
|
||||
SHADER_ROT_HANDLE_COLOR,
|
||||
SHADER_ROT_HANDLE_GIZMO_POS_LOC,
|
||||
shaderRotHandleColor,
|
||||
ShaderRotHandleGizmoPosLoc,
|
||||
&position,
|
||||
SHADER_UNIFORM_VEC3
|
||||
);
|
||||
DrawCircle3D(position, gizmo_radius, Y_AXIS, 90.0, color_x);
|
||||
DrawCircle3D(position, gizmo_radius, X_AXIS, 90.0, color_y);
|
||||
DrawCircle3D(position, gizmo_radius, X_AXIS, 0.0, color_z);
|
||||
}
|
||||
DrawCircle3D(position, gizmoRadius, Y_AXIS, 90.0f, colorX);
|
||||
DrawCircle3D(position, gizmoRadius, X_AXIS, 90.0f, colorY);
|
||||
DrawCircle3D(position, gizmoRadius, X_AXIS, 0.0f, colorZ);
|
||||
EndShaderMode();
|
||||
}
|
||||
|
||||
static void draw_gizmo(
|
||||
static void drawGizmo(
|
||||
Camera3D camera,
|
||||
Vector3 position,
|
||||
Color rot_handle_color_x,
|
||||
Color rot_handle_color_y,
|
||||
Color rot_handle_color_z,
|
||||
Color axis_handle_color_x,
|
||||
Color axis_handle_color_y,
|
||||
Color axis_handle_color_z,
|
||||
Color plane_handle_color_x,
|
||||
Color plane_handle_color_y,
|
||||
Color plane_handle_color_z
|
||||
Color rotHandleColorX,
|
||||
Color rotHandleColorY,
|
||||
Color rotHandleColorZ,
|
||||
Color axisHandleColorX,
|
||||
Color axisHandleColorY,
|
||||
Color axisHandleColorZ,
|
||||
Color planeHandleColorX,
|
||||
Color planeHandleColorY,
|
||||
Color planeHandleColorZ
|
||||
) {
|
||||
float radius = GIZMO_SIZE * Vector3Distance(camera.position, position);
|
||||
|
||||
// Draw gizmo's handle elements
|
||||
BeginMode3D(camera);
|
||||
{
|
||||
rlSetLineWidth(GIZMO_HANDLE_DRAW_THICKNESS);
|
||||
rlDisableDepthTest();
|
||||
|
||||
draw_plane_handles(
|
||||
drawPlaneHandles(
|
||||
camera,
|
||||
position,
|
||||
radius,
|
||||
plane_handle_color_x,
|
||||
plane_handle_color_y,
|
||||
plane_handle_color_z
|
||||
planeHandleColorX,
|
||||
planeHandleColorY,
|
||||
planeHandleColorZ
|
||||
);
|
||||
|
||||
draw_rot_handles(
|
||||
drawRotHandles(
|
||||
camera,
|
||||
position,
|
||||
radius,
|
||||
rot_handle_color_x,
|
||||
rot_handle_color_y,
|
||||
rot_handle_color_z
|
||||
rotHandleColorX,
|
||||
rotHandleColorY,
|
||||
rotHandleColorZ
|
||||
);
|
||||
|
||||
draw_axis_handles(
|
||||
drawAxisHandles(
|
||||
camera,
|
||||
position,
|
||||
radius,
|
||||
axis_handle_color_x,
|
||||
axis_handle_color_y,
|
||||
axis_handle_color_z
|
||||
axisHandleColorX,
|
||||
axisHandleColorY,
|
||||
axisHandleColorZ
|
||||
);
|
||||
}
|
||||
EndMode3D();
|
||||
|
||||
// Draw long white line which represents current active axis
|
||||
if (GIZMO_STATE == GIZMO_ACTIVE_ROT || GIZMO_STATE == GIZMO_ACTIVE_AXIS) {
|
||||
if (gizmoState == GIZMO_ACTIVE_ROT || gizmoState == GIZMO_ACTIVE_AXIS) {
|
||||
BeginMode3D(camera);
|
||||
{
|
||||
rlSetLineWidth(GIZMO_ACTIVE_AXIS_DRAW_THICKNESS);
|
||||
Vector3 half_axis_line = Vector3Scale(GIZMO_CURRENT_AXIS, 1000.0);
|
||||
Vector3 halfAxisLine = Vector3Scale(gizmoCurrentAxis, 1000.0f);
|
||||
DrawLine3D(
|
||||
Vector3Subtract(position, half_axis_line),
|
||||
Vector3Add(position, half_axis_line),
|
||||
Vector3Subtract(position, halfAxisLine),
|
||||
Vector3Add(position, halfAxisLine),
|
||||
WHITE
|
||||
);
|
||||
}
|
||||
EndMode3D();
|
||||
}
|
||||
|
||||
// Draw white line from the gizmo's center to the mouse cursor when rotating
|
||||
if (GIZMO_STATE == GIZMO_ACTIVE_ROT) {
|
||||
if (gizmoState == GIZMO_ACTIVE_ROT) {
|
||||
rlSetLineWidth(GIZMO_ACTIVE_AXIS_DRAW_THICKNESS);
|
||||
DrawLineV(
|
||||
GetWorldToScreen(position, camera), GetMousePosition(), WHITE
|
||||
|
|
@ -427,26 +489,26 @@ static void draw_gizmo(
|
|||
}
|
||||
}
|
||||
|
||||
static unsigned char get_gizmo_mask_pixel(Camera3D camera, Vector3 position) {
|
||||
static unsigned char getGizmoMaskPixel(Camera3D camera, Vector3 position) {
|
||||
// -------------------------------------------------------------------
|
||||
// Draw gizmo into a separate framebuffer for the mouse pixel-picking
|
||||
rlEnableFramebuffer(MASK_FRAMEBUFFER);
|
||||
rlEnableFramebuffer(maskFramebuffer);
|
||||
rlViewport(0, 0, MASK_FRAMEBUFFER_WIDTH, MASK_FRAMEBUFFER_HEIGHT);
|
||||
rlClearScreenBuffers();
|
||||
rlDisableColorBlend();
|
||||
|
||||
draw_gizmo(
|
||||
drawGizmo(
|
||||
camera,
|
||||
position,
|
||||
id_to_red_color(ROT_HANDLE_X),
|
||||
id_to_red_color(ROT_HANDLE_Y),
|
||||
id_to_red_color(ROT_HANDLE_Z),
|
||||
id_to_red_color(AXIS_HANDLE_X),
|
||||
id_to_red_color(AXIS_HANDLE_Y),
|
||||
id_to_red_color(AXIS_HANDLE_Z),
|
||||
id_to_red_color(PLANE_HANDLE_X),
|
||||
id_to_red_color(PLANE_HANDLE_Y),
|
||||
id_to_red_color(PLANE_HANDLE_Z)
|
||||
ID_TO_RED_COLOR(ROT_HANDLE_X),
|
||||
ID_TO_RED_COLOR(ROT_HANDLE_Y),
|
||||
ID_TO_RED_COLOR(ROT_HANDLE_Z),
|
||||
ID_TO_RED_COLOR(AXIS_HANDLE_X),
|
||||
ID_TO_RED_COLOR(AXIS_HANDLE_Y),
|
||||
ID_TO_RED_COLOR(AXIS_HANDLE_Z),
|
||||
ID_TO_RED_COLOR(PLANE_HANDLE_X),
|
||||
ID_TO_RED_COLOR(PLANE_HANDLE_Y),
|
||||
ID_TO_RED_COLOR(PLANE_HANDLE_Z)
|
||||
);
|
||||
|
||||
rlDisableFramebuffer();
|
||||
|
|
@ -455,38 +517,38 @@ static unsigned char get_gizmo_mask_pixel(Camera3D camera, Vector3 position) {
|
|||
|
||||
// -------------------------------------------------------------------
|
||||
// Pick the pixel under the mouse cursor
|
||||
Vector2 mouse_position = GetMousePosition();
|
||||
Vector2 mousePosition = GetMousePosition();
|
||||
unsigned char* pixels = (unsigned char*)rlReadTexturePixels(
|
||||
MASK_TEXTURE,
|
||||
maskTexture,
|
||||
MASK_FRAMEBUFFER_WIDTH,
|
||||
MASK_FRAMEBUFFER_HEIGHT,
|
||||
RL_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8
|
||||
);
|
||||
|
||||
float x_ratio = Clamp(mouse_position.x / (float)GetScreenWidth(), 0.0, 1.0);
|
||||
float y_ratio = Clamp(
|
||||
1.0 - (mouse_position.y / (float)GetScreenHeight()), 0.0, 1.0
|
||||
float xFract = Clamp(mousePosition.x / (float)GetScreenWidth(), 0.0, 1.0);
|
||||
float yFract = Clamp(
|
||||
1.0 - (mousePosition.y / (float)GetScreenHeight()), 0.0, 1.0
|
||||
);
|
||||
int x = (int)(MASK_FRAMEBUFFER_WIDTH * x_ratio);
|
||||
int y = (int)(MASK_FRAMEBUFFER_HEIGHT * y_ratio);
|
||||
int x = (int)(MASK_FRAMEBUFFER_WIDTH * xFract);
|
||||
int y = (int)(MASK_FRAMEBUFFER_HEIGHT * yFract);
|
||||
int idx = 4 * (y * MASK_FRAMEBUFFER_WIDTH + x);
|
||||
unsigned char mask_val = pixels[idx];
|
||||
unsigned char maskVal = pixels[idx];
|
||||
|
||||
free(pixels);
|
||||
return mask_val;
|
||||
return maskVal;
|
||||
}
|
||||
|
||||
Matrix update_gizmo_rot(Camera3D camera, Vector3 position) {
|
||||
if (!check_if_mouse_moved()) return MatrixIdentity();
|
||||
static Matrix updateGizmoRot(Camera3D camera, Vector3 position) {
|
||||
if (!checkIfMouseMoved()) return MatrixIdentity();
|
||||
|
||||
Vector2 rot_center = GetWorldToScreen(position, camera);
|
||||
Vector2 p1 = Vector2Subtract(GetMousePosition(), rot_center);
|
||||
Vector2 posOnScreen = GetWorldToScreen(position, camera);
|
||||
Vector2 p1 = Vector2Subtract(GetMousePosition(), posOnScreen);
|
||||
Vector2 p0 = Vector2Subtract(p1, GetMouseDelta());
|
||||
float angle = vector2_get_angle(p1, p0);
|
||||
float angle = getAngleBetweenTwoVector2(p1, p0);
|
||||
|
||||
// If we look at gizmo from behind, we should flip the rotation
|
||||
if (Vector3DotProduct(GIZMO_CURRENT_AXIS, position)
|
||||
> Vector3DotProduct(GIZMO_CURRENT_AXIS, camera.position)) {
|
||||
// If we look at the gizmo from behind, we should flip the rotation
|
||||
if (Vector3DotProduct(gizmoCurrentAxis, position)
|
||||
> Vector3DotProduct(gizmoCurrentAxis, camera.position)) {
|
||||
angle *= -1;
|
||||
}
|
||||
|
||||
|
|
@ -495,7 +557,7 @@ Matrix update_gizmo_rot(Camera3D camera, Vector3 position) {
|
|||
Matrix transform = MatrixMultiply(
|
||||
MatrixMultiply(
|
||||
MatrixTranslate(-position.x, -position.y, -position.z),
|
||||
MatrixRotate(GIZMO_CURRENT_AXIS, angle)
|
||||
MatrixRotate(gizmoCurrentAxis, angle)
|
||||
),
|
||||
MatrixTranslate(position.x, position.y, position.z)
|
||||
);
|
||||
|
|
@ -503,92 +565,90 @@ Matrix update_gizmo_rot(Camera3D camera, Vector3 position) {
|
|||
return transform;
|
||||
}
|
||||
|
||||
Matrix update_gizmo_axis(Camera3D camera, Vector3 position) {
|
||||
if (!check_if_mouse_moved()) return MatrixIdentity();
|
||||
static Matrix updateGizmoAxis(Camera3D camera, Vector3 position) {
|
||||
if (!checkIfMouseMoved()) return MatrixIdentity();
|
||||
|
||||
Vector2 p = Vector2Add(GetWorldToScreen(position, camera), GetMouseDelta());
|
||||
Ray r = GetMouseRay(p, camera);
|
||||
Vector3 isect_p = Vector3Zero();
|
||||
bool is_isect = get_two_vecs_nearest_point(
|
||||
&isect_p,
|
||||
Vector3 interesctionPoint = Vector3Zero();
|
||||
bool isIntersected = getTwoLinesNearestPoint(
|
||||
&interesctionPoint,
|
||||
camera.position,
|
||||
Vector3Add(camera.position, r.direction),
|
||||
position,
|
||||
Vector3Add(position, GIZMO_CURRENT_AXIS)
|
||||
Vector3Add(position, gizmoCurrentAxis)
|
||||
);
|
||||
|
||||
if (!is_isect)
|
||||
{
|
||||
return MatrixIdentity();
|
||||
}
|
||||
if (!isIntersected) return MatrixIdentity();
|
||||
|
||||
Vector3 offset = Vector3Subtract(isect_p, position);
|
||||
offset = Vector3Multiply(offset, GIZMO_CURRENT_AXIS);
|
||||
Vector3 offset = Vector3Subtract(interesctionPoint, position);
|
||||
offset = Vector3Multiply(offset, gizmoCurrentAxis);
|
||||
Matrix transform = MatrixTranslate(offset.x, offset.y, offset.z);
|
||||
|
||||
return transform;
|
||||
}
|
||||
|
||||
Matrix update_gizmo_plane(Camera3D camera, Vector3 position) {
|
||||
if (!check_if_mouse_moved()) return MatrixIdentity();
|
||||
static Matrix updateGizmoPlane(Camera3D camera, Vector3 position) {
|
||||
if (!checkIfMouseMoved()) return MatrixIdentity();
|
||||
|
||||
Vector2 p = Vector2Add(GetWorldToScreen(position, camera), GetMouseDelta());
|
||||
Ray r = GetMouseRay(p, camera);
|
||||
RayCollision c = get_ray_plane_collision(r, position, GIZMO_CURRENT_AXIS);
|
||||
RayCollision c = getRayPlaneCollision(r, position, gizmoCurrentAxis);
|
||||
Vector3 offset = Vector3Subtract(c.point, position);
|
||||
Matrix transform = MatrixTranslate(offset.x, offset.y, offset.z);
|
||||
|
||||
return transform;
|
||||
}
|
||||
|
||||
Matrix update_gizmo(Camera3D camera, Vector3 position, unsigned char mask_val) {
|
||||
bool is_lmb_down = IsMouseButtonDown(0);
|
||||
static Matrix updateGizmo(Camera3D camera, Vector3 position, unsigned char maskVal) {
|
||||
bool isLMBDown = IsMouseButtonDown(0);
|
||||
|
||||
if (!is_lmb_down) GIZMO_STATE = GIZMO_COLD;
|
||||
if (!isLMBDown) gizmoState = GIZMO_COLD;
|
||||
|
||||
if (GIZMO_STATE < GIZMO_ACTIVE) {
|
||||
if (mask_val < HANDLE_Y) GIZMO_CURRENT_AXIS = X_AXIS;
|
||||
else if (mask_val < HANDLE_Z) GIZMO_CURRENT_AXIS = Y_AXIS;
|
||||
else GIZMO_CURRENT_AXIS = Z_AXIS;
|
||||
if (gizmoState < GIZMO_ACTIVE) {
|
||||
if (maskVal < HANDLE_Y) gizmoCurrentAxis = X_AXIS;
|
||||
else if (maskVal < HANDLE_Z) gizmoCurrentAxis = Y_AXIS;
|
||||
else gizmoCurrentAxis = Z_AXIS;
|
||||
|
||||
if (mask_val % 4 == 1)
|
||||
GIZMO_STATE = is_lmb_down ? GIZMO_ACTIVE_ROT : GIZMO_HOT_ROT;
|
||||
else if (mask_val % 4 == 2)
|
||||
GIZMO_STATE = is_lmb_down ? GIZMO_ACTIVE_AXIS : GIZMO_HOT_AXIS;
|
||||
else if (mask_val % 4 == 3)
|
||||
GIZMO_STATE = is_lmb_down ? GIZMO_ACTIVE_PLANE : GIZMO_HOT_PLANE;
|
||||
if (maskVal % 4 == 1)
|
||||
gizmoState = isLMBDown ? GIZMO_ACTIVE_ROT : GIZMO_HOT_ROT;
|
||||
else if (maskVal % 4 == 2)
|
||||
gizmoState = isLMBDown ? GIZMO_ACTIVE_AXIS : GIZMO_HOT_AXIS;
|
||||
else if (maskVal % 4 == 3)
|
||||
gizmoState = isLMBDown ? GIZMO_ACTIVE_PLANE : GIZMO_HOT_PLANE;
|
||||
}
|
||||
|
||||
switch (GIZMO_STATE) {
|
||||
case GIZMO_ACTIVE_ROT: return update_gizmo_rot(camera, position);
|
||||
case GIZMO_ACTIVE_AXIS: return update_gizmo_axis(camera, position);
|
||||
case GIZMO_ACTIVE_PLANE: return update_gizmo_plane(camera, position);
|
||||
switch (gizmoState) {
|
||||
case GIZMO_ACTIVE_ROT: return updateGizmoRot(camera, position);
|
||||
case GIZMO_ACTIVE_AXIS: return updateGizmoAxis(camera, position);
|
||||
case GIZMO_ACTIVE_PLANE: return updateGizmoPlane(camera, position);
|
||||
default: return MatrixIdentity();
|
||||
}
|
||||
}
|
||||
|
||||
void LoadGizmo() {
|
||||
if (IS_GIZMO_LOADED) return;
|
||||
void loadGizmo() {
|
||||
if (isGizmoLoaded) return;
|
||||
|
||||
SHADER_ROT_HANDLE_COLOR = LoadShaderFromMemory(
|
||||
SHADER_COLOR_VERT, SHADER_ROT_HANDLE_COLOR_FRAG
|
||||
shaderRotHandleColor = LoadShaderFromMemory(
|
||||
SHADER_COLOR_VERT, shaderRotHandleColor_FRAG
|
||||
);
|
||||
SHADER_ROT_HANDLE_CAMERA_POS_LOC = GetShaderLocation(
|
||||
SHADER_ROT_HANDLE_COLOR, "cameraPosition"
|
||||
ShaderRotHandleCameraPosLoc = GetShaderLocation(
|
||||
shaderRotHandleColor, "cameraPosition"
|
||||
);
|
||||
SHADER_ROT_HANDLE_GIZMO_POS_LOC = GetShaderLocation(
|
||||
SHADER_ROT_HANDLE_COLOR, "gizmoPosition"
|
||||
ShaderRotHandleGizmoPosLoc = GetShaderLocation(
|
||||
shaderRotHandleColor, "gizmoPosition"
|
||||
);
|
||||
|
||||
MASK_FRAMEBUFFER = rlLoadFramebuffer(
|
||||
maskFramebuffer = rlLoadFramebuffer(
|
||||
MASK_FRAMEBUFFER_WIDTH, MASK_FRAMEBUFFER_HEIGHT
|
||||
);
|
||||
if (!MASK_FRAMEBUFFER) {
|
||||
if (!maskFramebuffer) {
|
||||
TraceLog(LOG_ERROR, "Failed to create gizmo's mask framebuffer");
|
||||
exit(1);
|
||||
}
|
||||
rlEnableFramebuffer(MASK_FRAMEBUFFER);
|
||||
rlEnableFramebuffer(maskFramebuffer);
|
||||
|
||||
MASK_TEXTURE = rlLoadTexture(
|
||||
maskTexture = rlLoadTexture(
|
||||
NULL,
|
||||
MASK_FRAMEBUFFER_WIDTH,
|
||||
MASK_FRAMEBUFFER_HEIGHT,
|
||||
|
|
@ -597,56 +657,56 @@ void LoadGizmo() {
|
|||
);
|
||||
rlActiveDrawBuffers(1);
|
||||
rlFramebufferAttach(
|
||||
MASK_FRAMEBUFFER,
|
||||
MASK_TEXTURE,
|
||||
maskFramebuffer,
|
||||
maskTexture,
|
||||
RL_ATTACHMENT_COLOR_CHANNEL0,
|
||||
RL_ATTACHMENT_TEXTURE2D,
|
||||
0
|
||||
);
|
||||
if (!rlFramebufferComplete(MASK_FRAMEBUFFER)) {
|
||||
if (!rlFramebufferComplete(maskFramebuffer)) {
|
||||
TraceLog(LOG_ERROR, "Gizmo's framebuffer is not complete");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
IS_GIZMO_LOADED = true;
|
||||
isGizmoLoaded = true;
|
||||
}
|
||||
|
||||
void UnloadGizmo() {
|
||||
if (!IS_GIZMO_LOADED) return;
|
||||
void unloadGizmo() {
|
||||
if (!isGizmoLoaded) return;
|
||||
|
||||
UnloadShader(SHADER_ROT_HANDLE_COLOR);
|
||||
rlUnloadFramebuffer(MASK_FRAMEBUFFER);
|
||||
rlUnloadTexture(MASK_TEXTURE);
|
||||
IS_GIZMO_LOADED = false;
|
||||
UnloadShader(shaderRotHandleColor);
|
||||
rlUnloadFramebuffer(maskFramebuffer);
|
||||
rlUnloadTexture(maskTexture);
|
||||
isGizmoLoaded = false;
|
||||
}
|
||||
|
||||
Matrix UpdateGizmo(Camera3D camera, Vector3 position) {
|
||||
if (!IS_GIZMO_LOADED) {
|
||||
Matrix updateAndDrawGizmo(Camera3D camera, Vector3 position) {
|
||||
if (!isGizmoLoaded) {
|
||||
TraceLog(LOG_ERROR, "Gizmo must be loaded before the update");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
unsigned char mask_val = get_gizmo_mask_pixel(camera, position);
|
||||
Matrix transform = update_gizmo(camera, position, mask_val);
|
||||
unsigned char maskVal = getGizmoMaskPixel(camera, position);
|
||||
Matrix transform = updateGizmo(camera, position, maskVal);
|
||||
|
||||
// -------------------------------------------------------------------
|
||||
// Draw gizmo
|
||||
HandleColors rot_handle_colors = get_handle_colors(GIZMO_HOT_ROT);
|
||||
HandleColors axis_handle_colors = get_handle_colors(GIZMO_HOT_AXIS);
|
||||
HandleColors plane_handle_colors = get_handle_colors(GIZMO_HOT_PLANE);
|
||||
HandleColors rotHandleColors = getHandleColors(GIZMO_HOT_ROT);
|
||||
HandleColors axisHandleColors = getHandleColors(GIZMO_HOT_AXIS);
|
||||
HandleColors planeHandleColors = getHandleColors(GIZMO_HOT_PLANE);
|
||||
|
||||
draw_gizmo(
|
||||
drawGizmo(
|
||||
camera,
|
||||
position,
|
||||
rot_handle_colors.x,
|
||||
rot_handle_colors.y,
|
||||
rot_handle_colors.z,
|
||||
axis_handle_colors.x,
|
||||
axis_handle_colors.y,
|
||||
axis_handle_colors.z,
|
||||
plane_handle_colors.x,
|
||||
plane_handle_colors.y,
|
||||
plane_handle_colors.z
|
||||
rotHandleColors.x,
|
||||
rotHandleColors.y,
|
||||
rotHandleColors.z,
|
||||
axisHandleColors.x,
|
||||
axisHandleColors.y,
|
||||
axisHandleColors.z,
|
||||
planeHandleColors.x,
|
||||
planeHandleColors.y,
|
||||
planeHandleColors.z
|
||||
);
|
||||
|
||||
return transform;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user