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@@ -27,6 +27,8 @@
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#define GLSL_VERSION 100
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#endif
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+#define MAX_INSTANCES 10000
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+
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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@@ -56,15 +58,14 @@ int main(void)
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camera.fovy = 45.0f;
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camera.projection = CAMERA_PERSPECTIVE;
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- const int instances = 10000; // Number of instances to display
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Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
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- Matrix *rotations = RL_MALLOC(instances*sizeof(Matrix)); // Rotation state of instances
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- Matrix *rotationsInc = RL_MALLOC(instances*sizeof(Matrix)); // Per-frame rotation animation of instances
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- Matrix *translations = RL_MALLOC(instances*sizeof(Matrix)); // Locations of instances
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+ Matrix *rotations = RL_MALLOC(MAX_INSTANCES*sizeof(Matrix)); // Rotation state of instances
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+ Matrix *rotationsInc = RL_MALLOC(MAX_INSTANCES*sizeof(Matrix)); // Per-frame rotation animation of instances
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+ Matrix *translations = RL_MALLOC(MAX_INSTANCES*sizeof(Matrix)); // Locations of instances
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// Scatter random cubes around
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- for (int i = 0; i < instances; i++)
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+ for (int i = 0; i < MAX_INSTANCES; i++)
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{
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x = GetRandomValue(-50, 50);
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y = GetRandomValue(-50, 50);
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@@ -81,7 +82,7 @@ int main(void)
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rotations[i] = MatrixIdentity();
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}
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- Matrix *transforms = RL_MALLOC(instances*sizeof(Matrix)); // Pre-multiplied transformations passed to rlgl
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+ Matrix *transforms = RL_MALLOC(MAX_INSTANCES*sizeof(Matrix)); // Pre-multiplied transformations passed to rlgl
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Shader shader = LoadShader(TextFormat("resources/shaders/glsl%i/base_lighting_instanced.vs", GLSL_VERSION),
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TextFormat("resources/shaders/glsl%i/lighting.fs", GLSL_VERSION));
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@@ -146,7 +147,7 @@ int main(void)
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SetShaderValue(shader, shader.locs[SHADER_LOC_VECTOR_VIEW], cameraPos, SHADER_UNIFORM_VEC3);
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// Apply per-instance transformations
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- for (int i = 0; i < instances; i++)
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+ for (int i = 0; i < MAX_INSTANCES; i++)
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{
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rotations[i] = MatrixMultiply(rotations[i], rotationsInc[i]);
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transforms[i] = MatrixMultiply(rotations[i], translations[i]);
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@@ -174,7 +175,7 @@ int main(void)
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BeginMode3D(camera);
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//DrawMesh(cube, material, MatrixIdentity());
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- DrawMeshInstanced(cube, material, transforms, instances);
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+ DrawMeshInstanced(cube, material, transforms, MAX_INSTANCES);
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EndMode3D();
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DrawText("A CUBE OF DANCING CUBES!", 490, 10, 20, MAROON);
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Ray