20 lines
545 B
GLSL
20 lines
545 B
GLSL
#version 330 core
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layout (location = 0) in vec3 pos;
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uniform vec4 uniform_color;
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uniform mat4 camera;
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uniform vec2 window_size;
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out vec4 vertex_color;
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const mat4 to_draw_coordinates_matrix = mat4(
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1., 0., 0., 0.,
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0., -1., 0., 0.,
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0., 0., 1., 0.,
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-1, 1, 0, 1);
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void main()
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{
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float aspect_ratio = window_size.x / window_size.y;
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mat4 scaling_matrix = mat4(1.0);
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scaling_matrix[1][1] = aspect_ratio;
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gl_Position = camera*scaling_matrix*to_draw_coordinates_matrix*vec4(pos, 1.0f);
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vertex_color = uniform_color;
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}
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