56 lines
1.1 KiB
GLSL
56 lines
1.1 KiB
GLSL
#version 450
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layout(location = 0) in vec3 pos;
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layout(location = 1) in vec3 normal;
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layout(location = 5) in vec4 color;
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layout(location = 0) out vec4 outColor;
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layout(set = 0, binding = 0) uniform NodeData
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{
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mat4 world;
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} node;
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layout(set = 1, binding = 0) uniform CameraData
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{
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mat4 viewProjection;
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mat4 view;
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mat4 projection;
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vec4 camPos;
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} cam;
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layout(set = 2, binding = 0) uniform BillboardData
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{
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vec2 size;
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vec2 windowSize;
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bool isFixedSize;
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} billboardInfo;
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void main() {
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if (!billboardInfo.isFixedSize)
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{
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mat4 mv = cam.view * node.world;
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mv[0][0] = 1;
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mv[0][1] = 0;
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mv[0][2] = 0;
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mv[1][0] = 0;
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mv[1][1] = 1;
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mv[1][2] = 0;
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mv[2][0] = 0;
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mv[2][1] = 0;
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mv[2][2] = 1;
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gl_Position = cam.projection * mv * vec4(pos, 1);
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}
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else
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{
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vec4 billboardPos = vec4(0, 0, 0, 1);
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vec4 viewPos = cam.view * node.world * billboardPos;
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float dist = -viewPos.z;
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gl_Position = cam.projection * (viewPos + vec4(pos.xy*dist*0.2,0,0));
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}
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outColor = color;
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}
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