40 lines
694 B
GLSL
40 lines
694 B
GLSL
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//
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#version 460 core
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#include <data/shaders/GridParameters.h>
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layout(push_constant) uniform PerFrameData {
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mat4 MVP;
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vec4 cameraPos;
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vec4 origin;
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};
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layout (location=0) out vec2 uv;
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layout (location=1) out vec2 out_camPos;
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const vec3 pos[4] = vec3[4](
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vec3(-1.0, 0.0, -1.0),
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vec3( 1.0, 0.0, -1.0),
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vec3( 1.0, 0.0, 1.0),
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vec3(-1.0, 0.0, 1.0)
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);
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const int indices[6] = int[6](
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0, 1, 2, 2, 3, 0
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);
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void main() {
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int idx = indices[gl_VertexIndex];
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vec3 position = pos[idx] * gridSize;
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position.x += cameraPos.x;
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position.z += cameraPos.z;
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position += origin.xyz;
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out_camPos = cameraPos.xz;
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gl_Position = MVP * vec4(position, 1.0);
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uv = position.xz;
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}
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