f2cc840c31
add crude screenshot facility (using F1 key), it can also be used for debugging start with shadows using shadowmap, not working yet add experimental 'ignore' body index in raycast, using b3HitInfo.m_m_hitResult2
47 lines
936 B
GLSL
47 lines
936 B
GLSL
#version 330
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precision highp float;
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layout (location = 0) in vec4 position;
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layout (location = 1) in vec4 instance_position;
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layout (location = 3) in vec2 uvcoords;
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layout (location = 4) in vec3 vertexnormal;
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layout (location = 5) in vec4 instance_color;
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layout (location = 6) in vec3 instance_scale;
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uniform float screenWidth = 700.f;
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uniform mat4 ModelViewMatrix;
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uniform mat4 ProjectionMatrix;
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out Fragment
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{
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vec4 color;
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} fragment;
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//
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// vector rotation via quaternion
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//
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out vec3 ambient;
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void main(void)
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{
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ambient = vec3(0.3,.3,0.3);
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vec4 axis = vec4(1,1,1,0);
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vec4 vertexPos = ProjectionMatrix * ModelViewMatrix *(instance_position);
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vec3 posEye = vec3(ModelViewMatrix * vec4(instance_position.xyz, 1.0));
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float dist = length(posEye);
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float pointRadius = 1.f;
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gl_PointSize = instance_scale.x * pointRadius * (screenWidth / dist);
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gl_Position = vertexPos;
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fragment.color = instance_color;
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}
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