//This file is automatically rebuilt by the Cesium build process.
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export default "#ifdef INSTANCED\n\
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attribute vec2 direction;\n\
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#endif\n\
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attribute vec4 positionHighAndScaleX;\n\
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attribute vec4 positionLowAndScaleY;\n\
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attribute vec4 packedAttribute0;\n\
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attribute vec4 packedAttribute1;\n\
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\n\
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varying vec2 v_offset;\n\
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varying vec3 v_maximumSize;\n\
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varying float v_slice;\n\
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varying float v_brightness;\n\
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\n\
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void main() {\n\
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// Unpack attributes.\n\
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vec3 positionHigh = positionHighAndScaleX.xyz;\n\
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vec3 positionLow = positionLowAndScaleY.xyz;\n\
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vec2 scale = vec2(positionHighAndScaleX.w, positionLowAndScaleY.w);\n\
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\n\
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float show = packedAttribute0.x;\n\
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float brightness = packedAttribute0.y;\n\
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vec2 coordinates = packedAttribute0.wz;\n\
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vec3 maximumSize = packedAttribute1.xyz;\n\
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float slice = packedAttribute1.w;\n\
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\n\
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#ifdef INSTANCED\n\
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vec2 dir = direction;\n\
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#else\n\
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vec2 dir = coordinates;\n\
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#endif\n\
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\n\
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vec2 offset = dir - vec2(0.5, 0.5);\n\
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vec2 scaledOffset = scale * offset;\n\
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vec4 p = czm_translateRelativeToEye(positionHigh, positionLow);\n\
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vec4 positionEC = czm_modelViewRelativeToEye * p;\n\
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positionEC.xy += scaledOffset;\n\
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\n\
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positionEC.xyz *= show;\n\
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gl_Position = czm_projection * positionEC;\n\
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\n\
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v_offset = offset;\n\
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v_maximumSize = maximumSize;\n\
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v_slice = slice;\n\
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v_brightness = brightness;\n\
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}\n\
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";
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