attribute vec3 position3DHigh;
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attribute vec3 position3DLow;
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attribute vec2 st;
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attribute float batchId;
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varying vec3 v_positionMC;
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varying vec3 v_positionEC;
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varying vec2 v_st;
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void main()
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{
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vec4 p = czm_computePosition();
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v_positionMC = position3DHigh + position3DLow; // position in model coordinates
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v_positionEC = (czm_modelViewRelativeToEye * p).xyz; // position in eye coordinates
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v_st = st;
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gl_Position = czm_modelViewProjectionRelativeToEye * p;
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}
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