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add zooms

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This commit is contained in:
kai-z99 2024-08-07 00:42:37 -07:00
parent 97c02b2425
commit 84cbd0ea19
1 changed files with 35 additions and 12 deletions
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39
examples/core/core_3d_camera_first_person.c
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@ -14,6 +14,8 @@
#include "raylib.h"
#include "rcamera.h"
#include <stdio.h>
#define MAX_COLUMNS 20
//------------------------------------------------------------------------------------
@ -113,6 +115,25 @@ int main(void)
}
}
//Camera zooming
float wheelMove = GetMouseWheelMove();
bool zoomIn = IsKeyDown(KEY_KP_ADD);
bool zoomOut = IsKeyDown(KEY_KP_SUBTRACT);
if (cameraMode != CAMERA_THIRD_PERSON && (wheelMove != 0 || zoomIn || zoomOut))
{
if ((wheelMove > 0 || zoomIn) && camera.fovy >= 20.0f)
{
camera.fovy -= 5.0f;
}
else if ((wheelMove < 0 || zoomOut) && camera.fovy <= 90.0f)
{
camera.fovy += 5.0f;
}
}
printf("fov: %.2f\n", camera.fovy);
printf("bool: %d\n", (cameraMode != CAMERA_THIRD_PERSON && (wheelMove != 0 || zoomIn || zoomOut)));
// Update camera computes movement internally depending on the camera mode
// Some default standard keyboard/mouse inputs are hardcoded to simplify use
// For advance camera controls, it's reecommended to compute camera movement manually
@ -169,18 +190,19 @@ int main(void)
EndMode3D();
// Draw info boxes
DrawRectangle(5, 5, 330, 100, Fade(SKYBLUE, 0.5f));
DrawRectangleLines(5, 5, 330, 100, BLUE);
DrawRectangle(5, 5, 330, 120, Fade(SKYBLUE, 0.5f));
DrawRectangleLines(5, 5, 330, 120, BLUE);
DrawText("Camera controls:", 15, 15, 10, BLACK);
DrawText("- Move keys: W, A, S, D, Space, Left-Ctrl", 15, 30, 10, BLACK);
DrawText("- Look around: arrow keys or mouse", 15, 45, 10, BLACK);
DrawText("- Camera mode keys: 1, 2, 3, 4", 15, 60, 10, BLACK);
DrawText("- Zoom keys: num-plus, num-minus or mouse scroll", 15, 75, 10, BLACK);
DrawText("- Camera projection key: P", 15, 90, 10, BLACK);
DrawText(" (Space and Left-Ctrl in Free Camera mode only)", 15, 45, 10, DARKGRAY);
DrawText("- Look around: arrow keys or mouse", 15, 60, 10, BLACK);
DrawText("- Camera mode keys: 1, 2, 3, 4", 15, 75, 10, BLACK);
DrawText("- Zoom keys: num-plus, num-minus or mouse scroll", 15, 90, 10, BLACK);
DrawText("- Camera projection key: P", 15, 105, 10, BLACK);
DrawRectangle(600, 5, 195, 100, Fade(SKYBLUE, 0.5f));
DrawRectangleLines(600, 5, 195, 100, BLUE);
DrawRectangle(600, 5, 195, 120, Fade(SKYBLUE, 0.5f));
DrawRectangleLines(600, 5, 195, 120, BLUE);
DrawText("Camera status:", 610, 15, 10, BLACK);
DrawText(TextFormat("- Mode: %s", (cameraMode == CAMERA_FREE) ? "FREE" :
@ -192,6 +214,7 @@ int main(void)
DrawText(TextFormat("- Position: (%06.3f, %06.3f, %06.3f)", camera.position.x, camera.position.y, camera.position.z), 610, 60, 10, BLACK);
DrawText(TextFormat("- Target: (%06.3f, %06.3f, %06.3f)", camera.target.x, camera.target.y, camera.target.z), 610, 75, 10, BLACK);
DrawText(TextFormat("- Up: (%06.3f, %06.3f, %06.3f)", camera.up.x, camera.up.y, camera.up.z), 610, 90, 10, BLACK);
DrawText(TextFormat("- FOV: %06.3f", camera.fovy), 610, 105, 10, BLACK);
EndDrawing();
//----------------------------------------------------------------------------------