Revert "Merge branch 'master' of https://github.com/RobinsAviary/raylib"

This reverts commit 98cf086520, reversing
changes made to 57056cd1aa.

examples/models/models_directional_billboard.c

@@ -1,116 +0,0 @@
-/*******************************************************************************************
-*
-*   raylib [models] example - directional billboard
-*
-*   Example complexity rating: [★★☆☆] 2/4
-*
-*   Example originally created with raylib 5.6-dev, last time updated with raylib 5.6
-*
-*   Example contributed by Robin (@RobinsAviary) and reviewed by Ramon Santamaria (@raysan5)
-*
-*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
-*   BSD-like license that allows static linking with closed source software
-*
-*   Copyright (c) 2025-2025 Robin (@RobinsAviary)
-*   Killbot art by patvanmackelberg https://opengameart.org/content/killbot-8-directional under CC0
-*
-********************************************************************************************/
-
-#include "raylib.h"
-#include "raymath.h"
-#include <stdlib.h>
-
-//------------------------------------------------------------------------------------
-// Program main entry point
-//------------------------------------------------------------------------------------
-int main(void)
-{
-    // Initialization
-    //--------------------------------------------------------------------------------------
-    const int screenWidth = 800;
-    const int screenHeight = 450;
-
-    InitWindow(screenWidth, screenHeight, "raylib [models] example - directional billboard");
-
-    // Set up the camera
-    Camera camera = { 0 };
-    camera.position = (Vector3){ 2.0f, 1.0f, 2.0f }; // Starting position
-    camera.target = (Vector3){ 0.0f, 0.5f, 0.0f };  // Target position
-    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Up vector
-    camera.fovy = 45.0f; // FOV
-    camera.projection = CAMERA_PERSPECTIVE; // Projection type (Standard 3D perspective)
-
-    // Load billboard texture
-    Texture skillbot = LoadTexture("resources/skillbot.png");
-
-    // Timer to update animation
-    float anim_timer = 0.0f;
-    // Animation frame
-    unsigned int anim = 0;
-
-    SetTargetFPS(60);
-    //--------------------------------------------------------------------------------------
-
-    // Main game loop
-    while (!WindowShouldClose())    // Detect window close button or ESC key
-    {
-        // Update
-        //----------------------------------------------------------------------------------
-        UpdateCamera(&camera, CAMERA_ORBITAL);
-
-        // Update timer with delta time
-        anim_timer += GetFrameTime();
-
-        // Update frame index after a certain amount of time (half a second)
-        if (anim_timer > 0.5f) 
-        {
-            anim_timer = 0.0f;
-            anim += 1;
-        }
-
-        // Reset frame index to zero on overflow
-        if (anim >= 4) anim = 0;
-
-        // Find the current direction frame based on the camera position to the billboard object
-        float dir = (float)floor(((Vector2Angle((Vector2){ 2.0f, 0.0f }, (Vector2){ camera.position.x, camera.position.z })/PI)*4.0f) + 0.25f);
-
-        // Correct frame index if angle is negative
-        if (dir < 0.0f)
-        {
-            dir = 8.0f - (float)abs((int)dir);
-        }
-        //----------------------------------------------------------------------------------
-
-        // Draw
-        //----------------------------------------------------------------------------------
-        BeginDrawing();
-
-        ClearBackground(RAYWHITE);
-
-        BeginMode3D(camera);
-
-            DrawGrid(10, 1.0f);
-
-            // Draw billboard pointing straight up to the sky, rotated relative to the camera and offset from the bottom
-            DrawBillboardPro(camera, skillbot, (Rectangle){ 0.0f + (anim*24.0f), 0.0f + (dir*24.0f), 24.0f, 24.0f }, Vector3Zero(), (Vector3){ 0.0f, 1.0f, 0.0f }, Vector2One(), (Vector2){ 0.5f, 0.0f }, 0, WHITE);
-
-        EndMode3D();
-
-        // Render various variables for reference
-        DrawText(TextFormat("animation: %d", anim), 10, 10, 20, DARKGRAY);
-        DrawText(TextFormat("direction frame: %.0f", dir), 10, 40, 20, DARKGRAY);
-
-        EndDrawing();
-        //----------------------------------------------------------------------------------
-    }
-
-    // De-Initialization
-    //--------------------------------------------------------------------------------------
-    // Unload billboard texture
-    UnloadTexture(skillbot);
-
-    CloseWindow();        // Close window and OpenGL context
-    //--------------------------------------------------------------------------------------
-
-    return 0;
-}