REXM: RENAME: example: models_heightmap --> models_heightmap_rendering

examples/models/models_heightmap_rendering.c

@@ -0,0 +1,92 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - heightmap
+*
+*   Example complexity rating: [★☆☆☆] 1/4
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 3.5
+*
+*   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) 2015-2025 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - heightmap");
+
+    // Define our custom camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 18.0f, 21.0f, 18.0f };     // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };          // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };              // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                    // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;                 // Camera projection type
+
+    Image image = LoadImage("resources/heightmap.png");     // Load heightmap image (RAM)
+    Texture2D texture = LoadTextureFromImage(image);        // Convert image to texture (VRAM)
+
+    Mesh mesh = GenMeshHeightmap(image, (Vector3){ 16, 8, 16 }); // Generate heightmap mesh (RAM and VRAM)
+    Model model = LoadModelFromMesh(mesh);                  // Load model from generated mesh
+
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Set map diffuse texture
+    Vector3 mapPosition = { -8.0f, 0.0f, -8.0f };           // Define model position
+
+    UnloadImage(image);             // Unload heightmap image from RAM, already uploaded to VRAM
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, mapPosition, 1.0f, RED);
+
+                DrawGrid(20, 1.0f);
+
+            EndMode3D();
+
+            DrawTexture(texture, screenWidth - texture.width - 20, 20, WHITE);
+            DrawRectangleLines(screenWidth - texture.width - 20, 20, texture.width, texture.height, GREEN);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);     // Unload texture
+    UnloadModel(model);         // Unload model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}