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@@ -46,81 +46,82 @@ int main(void)
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// Define the camera to look into our 3d world
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Camera camera = { 0 };
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- camera.position = (Vector3){ 2.0f, 4.0f, 6.0f }; // Camera position
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- camera.target = (Vector3){ 0.0f, 0.5f, 0.0f }; // Camera looking at point
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+ camera.position = (Vector3){ 4.0f, 6.0f, 8.0f }; // Camera position
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+ camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
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camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
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camera.fovy = 45.0f; // Camera field-of-view Y
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camera.projection = CAMERA_PERSPECTIVE; // Camera projection type
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- Mesh mesh = GenMeshPlane((float)MAP_SIZE, (float)MAP_SIZE, 1, 1);
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+ Mesh mesh = GenMeshPlane((float)MAP_SIZE, (float)MAP_SIZE, 1, 1);
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- // GenMeshPlane doesn't generate texcoords2 so we will upload them separately
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- mesh.texcoords2 = (float *)RL_MALLOC(mesh.vertexCount * 2 * sizeof(float));
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+ // GenMeshPlane doesn't generate texcoords2 so we will upload them separately
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+ mesh.texcoords2 = (float *)RL_MALLOC(mesh.vertexCount*2*sizeof(float));
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- // X // Y
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- mesh.texcoords2[0] = 0.0f; mesh.texcoords2[1] = 0.0f;
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- mesh.texcoords2[2] = 1.0f; mesh.texcoords2[3] = 0.0f;
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- mesh.texcoords2[4] = 0.0f; mesh.texcoords2[5] = 1.0f;
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- mesh.texcoords2[6] = 1.0f; mesh.texcoords2[7] = 1.0f;
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+ // X // Y
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+ mesh.texcoords2[0] = 0.0f; mesh.texcoords2[1] = 0.0f;
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+ mesh.texcoords2[2] = 1.0f; mesh.texcoords2[3] = 0.0f;
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+ mesh.texcoords2[4] = 0.0f; mesh.texcoords2[5] = 1.0f;
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+ mesh.texcoords2[6] = 1.0f; mesh.texcoords2[7] = 1.0f;
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- // Load a new texcoords2 attributes buffer
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- mesh.vboId[SHADER_LOC_VERTEX_TEXCOORD02] = rlLoadVertexBuffer(mesh.texcoords2, mesh.vertexCount*2*sizeof(float), false);
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- rlEnableVertexArray(mesh.vaoId);
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- // Index 5 is for texcoords2
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- rlSetVertexAttribute(5, 2, RL_FLOAT, 0, 0, 0);
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- rlEnableVertexAttribute(5);
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- rlDisableVertexArray();
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+ // Load a new texcoords2 attributes buffer
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+ mesh.vboId[SHADER_LOC_VERTEX_TEXCOORD02] = rlLoadVertexBuffer(mesh.texcoords2, mesh.vertexCount*2*sizeof(float), false);
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+ rlEnableVertexArray(mesh.vaoId);
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+
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+ // Index 5 is for texcoords2
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+ rlSetVertexAttribute(5, 2, RL_FLOAT, 0, 0, 0);
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+ rlEnableVertexAttribute(5);
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+ rlDisableVertexArray();
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// Load lightmap shader
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Shader shader = LoadShader(TextFormat("resources/shaders/glsl%i/lightmap.vs", GLSL_VERSION),
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TextFormat("resources/shaders/glsl%i/lightmap.fs", GLSL_VERSION));
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- Texture texture = LoadTexture("resources/cubicmap_atlas.png");
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- Texture light = LoadTexture("resources/spark_flame.png");
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+ Texture texture = LoadTexture("resources/cubicmap_atlas.png");
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+ Texture light = LoadTexture("resources/spark_flame.png");
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- GenTextureMipmaps(&texture);
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- SetTextureFilter(texture, TEXTURE_FILTER_TRILINEAR);
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+ GenTextureMipmaps(&texture);
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+ SetTextureFilter(texture, TEXTURE_FILTER_TRILINEAR);
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- RenderTexture lightmap = LoadRenderTexture(MAP_SIZE, MAP_SIZE);
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+ RenderTexture lightmap = LoadRenderTexture(MAP_SIZE, MAP_SIZE);
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- SetTextureFilter(lightmap.texture, TEXTURE_FILTER_TRILINEAR);
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+ SetTextureFilter(lightmap.texture, TEXTURE_FILTER_TRILINEAR);
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- Material material = LoadMaterialDefault();
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+ Material material = LoadMaterialDefault();
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material.shader = shader;
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material.maps[MATERIAL_MAP_ALBEDO].texture = texture;
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material.maps[MATERIAL_MAP_METALNESS].texture = lightmap.texture;
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- // Drawing to lightmap
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- BeginTextureMode(lightmap);
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- ClearBackground(BLACK);
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-
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- BeginBlendMode(BLEND_ADDITIVE);
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- DrawTexturePro(
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- light,
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- (Rectangle){ 0, 0, light.width, light.height },
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- (Rectangle){ 0, 0, 20, 20 },
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- (Vector2){ 10.0, 10.0 },
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- 0.0,
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- RED
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- );
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- DrawTexturePro(
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- light,
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- (Rectangle){ 0, 0, light.width, light.height },
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- (Rectangle){ 8, 4, 20, 20 },
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- (Vector2){ 10.0, 10.0 },
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- 0.0,
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- BLUE
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- );
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- DrawTexturePro(
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- light,
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- (Rectangle){ 0, 0, light.width, light.height },
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- (Rectangle){ 8, 8, 10, 10 },
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- (Vector2){ 5.0, 5.0 },
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- 0.0,
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- GREEN
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- );
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- BeginBlendMode(BLEND_ALPHA);
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- EndTextureMode();
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+ // Drawing to lightmap
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+ BeginTextureMode(lightmap);
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+ ClearBackground(BLACK);
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+
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+ BeginBlendMode(BLEND_ADDITIVE);
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+ DrawTexturePro(
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+ light,
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+ (Rectangle){ 0, 0, light.width, light.height },
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+ (Rectangle){ 0, 0, 20, 20 },
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+ (Vector2){ 10.0, 10.0 },
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+ 0.0,
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+ RED
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+ );
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+ DrawTexturePro(
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+ light,
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+ (Rectangle){ 0, 0, light.width, light.height },
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+ (Rectangle){ 8, 4, 20, 20 },
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+ (Vector2){ 10.0, 10.0 },
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+ 0.0,
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+ BLUE
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+ );
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+ DrawTexturePro(
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+ light,
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+ (Rectangle){ 0, 0, light.width, light.height },
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+ (Rectangle){ 8, 8, 10, 10 },
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+ (Vector2){ 5.0, 5.0 },
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+ 0.0,
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+ GREEN
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+ );
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+ BeginBlendMode(BLEND_ALPHA);
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+ EndTextureMode();
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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@@ -139,26 +140,29 @@ int main(void)
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ClearBackground(RAYWHITE);
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BeginMode3D(camera);
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- DrawMesh(mesh, material, MatrixIdentity());
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+ DrawMesh(mesh, material, MatrixIdentity());
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EndMode3D();
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DrawFPS(10, 10);
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- DrawTexturePro(
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- lightmap.texture,
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- (Rectangle){ 0, 0, MAP_SIZE, MAP_SIZE },
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- (Rectangle){ 0, 36, MAP_SIZE * 4, MAP_SIZE * 4 },
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- (Vector2){ 0.0, 0.0 },
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- 0.0,
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- WHITE
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- );
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+ DrawTexturePro(
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+ lightmap.texture,
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+ (Rectangle){ 0, 0, -MAP_SIZE, -MAP_SIZE },
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+ (Rectangle){ GetRenderWidth() - MAP_SIZE*8 - 10, 10, MAP_SIZE*8, MAP_SIZE*8 },
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+ (Vector2){ 0.0, 0.0 },
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+ 0.0,
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+ WHITE);
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+
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+ DrawText("lightmap", GetRenderWidth() - 66, 16 + MAP_SIZE*8, 10, GRAY);
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+ DrawText("10x10 pixels", GetRenderWidth() - 76, 30 + MAP_SIZE*8, 10, GRAY);
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+
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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- UnloadMesh(mesh); // Unload the mesh
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+ UnloadMesh(mesh); // Unload the mesh
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UnloadShader(shader); // Unload shader
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CloseWindow(); // Close window and OpenGL context
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