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~ | First triangle
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30
srcs/RT.cpp
30
srcs/RT.cpp
@ -15,18 +15,42 @@
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int main(void)
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{
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Window window;
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Shader shader("shaders/vertex.glsl", "shaders/frag.glsl");
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shader.attach();
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RT::Vec2f vertices[6] = {
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{ -0.5f, -1.0f }, { 1.0f, -1.0f }, { -1.0f, 1.0f },
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{ 1.0f, -1.0f }, { 1.0f, 1.0f }, { -1.0f, 1.0f }
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};
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unsigned int VAO, VBO;
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glGenVertexArrays(1, &VAO);
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glGenBuffers(1, &VBO);
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// Bind the VAO
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glBindVertexArray(VAO);
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// Bind the VBO and upload the vertex data to it
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glBindBuffer(GL_ARRAY_BUFFER, VBO);
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glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
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// Set vertex attributes
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glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), (void*)0);
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glEnableVertexAttribArray(0);
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// Unbind the VBO and VAO
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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glBindVertexArray(0);
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while (!window.shouldClose())
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{
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glClear(GL_COLOR_BUFFER_BIT);
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glUseProgram(shader.getProgram());
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glBindVertexArray(VAO);
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glDrawArrays(GL_TRIANGLES, 0, 6);
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window.display();
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window.pollEvents();
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