23 lines
495 B
GLSL
23 lines
495 B
GLSL
uniform vec3 position;
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uniform vec3 dv_i;
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uniform vec3 dv_j;
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uniform vec3 dv_k;
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uniform float inversePeriod;
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uniform float startTime;
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uniform float osg_FrameTime;
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varying vec2 texCoord;
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void main(void)
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{
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vec3 pos = position + (gl_Vertex.x*dv_i) + (dv_j * gl_Vertex.y);
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texCoord = gl_MultiTexCoord0.xy;
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vec3 v_current = pos + dv_k * fract( (osg_FrameTime - startTime)*inversePeriod - gl_Vertex.z);
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gl_Position = gl_ModelViewProjectionMatrix * vec4(v_current,1.0);
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}
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