int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) {
#else
int main(int argc, char** argv) {
#endif
Window window("Sample_BurningPaper", 1024, 768, true);
RenderParameters_t renderParameters;
renderParameters.width = 1024;
renderParameters.height = 768;
renderParameters.displayFormat = DISPLAY_FORMAT_X8R8G8B8;
renderParameters.refreshRate = 0;
renderParameters.depthStencilBits = DEPTH_STENCIL_BITS_D24X8;
Renderer::GetInstance()->Initialize(RENDER_SYSTEM_OPENGL, window, renderParameters);
Renderer::GetInstance()->SetClearColor(0.2f, 0.2f, 0.2f);
// Create the paper surface
SurfaceTriangles_t surface;
surface.numVertices = 4;
surface.numTexCoords = 4;
surface.numIndices = 6;
surface.vertices = new Vector3[surface.numVertices];
surface.texCoords = new Vector2[surface.numTexCoords];
surface.indices = new unsigned short[surface.numIndices];
surface.vertices[0] = Vector3(-1.2f, -1.5f, 1.0f); surface.vertices[1] = Vector3(-1.2f, 1.5f, 1.0f); surface.vertices[2] = Vector3(1.2f, 1.5f, 1.0f); surface.vertices[3] = Vector3(1.2f, -1.5f, 1.0f);
surface.texCoords[0] = Vector2(0.0f, 0.0f); surface.texCoords[1] = Vector2(0.0f, 1.0f); surface.texCoords[2] = Vector2(1.0f, 1.0f); surface.texCoords[3] = Vector2(1.0f, 0.0f);
surface.indices[0] = 0; surface.indices[1] = 2; surface.indices[2] = 1; surface.indices[3] = 0; surface.indices[4] = 3; surface.indices[5] = 2;
Mesh paperMesh;
paperMesh.AddSurface(&surface);
VertexAttributesMap_t vertexAttributes;
vertexAttributes[VERTEX_ATTRIBUTES_POSITION] = 0;
vertexAttributes[VERTEX_ATTRIBUTES_TEX_COORDS] = 1;
paperMesh.Initialize(vertexAttributes);
// Create the paper material
Shader* shader = Renderer::GetInstance()->CreateShader();
shader->SetSourceFile("Shaders/BurningPaper/vert", "Shaders/BurningPaper/frag");
Material paperMaterial(shader);
Texture2D* paperTexture = Renderer::GetInstance()->CreateTexture2DFromFile("Media/paper.jpg");
Texture2D* noiseTexture = Renderer::GetInstance()->CreateTexture2DFromFile("Media/noise.jpg");
paperMaterial.SetUniformTexture("paper", paperTexture);
paperMaterial.SetUniformTexture("noise", noiseTexture);
// Create the paper node
Node paperNode;
paperNode.SetMaterial(&paperMaterial);
paperNode.SetMesh(&paperMesh);
Renderer::GetInstance()->GetSceneTree().AddNode(&paperNode);
Renderer::GetInstance()->CameraLookAt(Vector3(0.0f, 0.0f, 5.0f), -Vector3::LOOK, Vector3::UP);
float threshold = 0.0f;
float range = 0.075f;
float t = 0.0f;
clock_t begin, end;
#if PLATFORM == PLATFORM_WIN32
Text::GetInstance()->SetTextFont("C:/Windows/Fonts/Arial.ttf");
#elif PLATFORM == PLATFORM_LINUX
Text::GetInstance()->SetTextFont("/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf");
#endif
Text::GetInstance()->SetTextSize(24, 24);
float fps = 0;
float dt = 0.0f;
size_t numFrames = 0;
while (window.IsOpen()) {
begin = clock();
WindowEvent windowEvent;
if (window.PollEvents(windowEvent)) {
}
threshold += t / 3.0f;
Renderer::GetInstance()->BindShader(shader);
shader->SetUniformVector2("thresholds", threshold, range);
Renderer::GetInstance()->Clear();
Renderer::GetInstance()->StartRender();
Renderer::GetInstance()->Render();
Text::GetInstance()->Write(to_string(fps), 5, 5);
Renderer::GetInstance()->EndRender();
Renderer::GetInstance()->PresentFrame();
end = clock();
t = float(end - begin) / CLOCKS_PER_SEC;
dt += float(end - begin) / CLOCKS_PER_SEC;
numFrames += 1;
if (dt >= 0.25f) {
fps = (float)numFrames / dt;
numFrames = 0;
dt -= 0.25f;
}
}
return 0;
}
