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| // This file is automatically generated, do not edit
goog.provide('ol.render.webgl.linestringreplay.defaultshader');
goog.require('ol');
goog.require('ol.webgl.Fragment');
goog.require('ol.webgl.Vertex');
ol.render.webgl.linestringreplay.defaultshader.fragment = new ol.webgl.Fragment(ol.DEBUG_WEBGL ?
'precision mediump float;\nvarying float v_round;\nvarying vec2 v_roundVertex;\nvarying float v_halfWidth;\n\n\n\nuniform float u_opacity;\nuniform vec4 u_color;\nuniform vec2 u_size;\nuniform float u_pixelRatio;\n\nvoid main(void) {\n if (v_round > 0.0) {\n vec2 windowCoords = vec2((v_roundVertex.x + 1.0) / 2.0 * u_size.x * u_pixelRatio,\n (v_roundVertex.y + 1.0) / 2.0 * u_size.y * u_pixelRatio);\n if (length(windowCoords - gl_FragCoord.xy) > v_halfWidth * u_pixelRatio) {\n discard;\n }\n }\n gl_FragColor = u_color;\n float alpha = u_color.a * u_opacity;\n if (alpha == 0.0) {\n discard;\n }\n gl_FragColor.a = alpha;\n}\n' :
'precision mediump float;varying float a;varying vec2 aVertex;varying float c;uniform float m;uniform vec4 n;uniform vec2 o;uniform float p;void main(void){if(a>0.0){vec2 windowCoords=vec2((aVertex.x+1.0)/2.0*o.x*p,(aVertex.y+1.0)/2.0*o.y*p);if(length(windowCoords-gl_FragCoord.xy)>c*p){discard;}} gl_FragColor=n;float alpha=n.a*m;if(alpha==0.0){discard;}gl_FragColor.a=alpha;}');
ol.render.webgl.linestringreplay.defaultshader.vertex = new ol.webgl.Vertex(ol.DEBUG_WEBGL ?
'varying float v_round;\nvarying vec2 v_roundVertex;\nvarying float v_halfWidth;\n\n\nattribute vec2 a_lastPos;\nattribute vec2 a_position;\nattribute vec2 a_nextPos;\nattribute float a_direction;\n\nuniform mat4 u_projectionMatrix;\nuniform mat4 u_offsetScaleMatrix;\nuniform mat4 u_offsetRotateMatrix;\nuniform float u_lineWidth;\nuniform float u_miterLimit;\n\nbool nearlyEquals(in float value, in float ref) {\n float epsilon = 0.000000000001;\n return value >= ref - epsilon && value <= ref + epsilon;\n}\n\nvoid alongNormal(out vec2 offset, in vec2 nextP, in float turnDir, in float direction) {\n vec2 dirVect = nextP - a_position;\n vec2 normal = normalize(vec2(-turnDir * dirVect.y, turnDir * dirVect.x));\n offset = u_lineWidth / 2.0 * normal * direction;\n}\n\nvoid miterUp(out vec2 offset, out float round, in bool isRound, in float direction) {\n float halfWidth = u_lineWidth / 2.0;\n vec2 tangent = normalize(normalize(a_nextPos - a_position) + normalize(a_position - a_lastPos));\n vec2 normal = vec2(-tangent.y, tangent.x);\n vec2 dirVect = a_nextPos - a_position;\n vec2 tmpNormal = normalize(vec2(-dirVect.y, dirVect.x));\n float miterLength = abs(halfWidth / dot(normal, tmpNormal));\n offset = normal * direction * miterLength;\n round = 0.0;\n if (isRound) {\n round = 1.0;\n } else if (miterLength > u_miterLimit + u_lineWidth) {\n offset = halfWidth * tmpNormal * direction;\n }\n}\n\nbool miterDown(out vec2 offset, in vec4 projPos, in mat4 offsetMatrix, in float direction) {\n bool degenerate = false;\n vec2 tangent = normalize(normalize(a_nextPos - a_position) + normalize(a_position - a_lastPos));\n vec2 normal = vec2(-tangent.y, tangent.x);\n vec2 dirVect = a_lastPos - a_position;\n vec2 tmpNormal = normalize(vec2(-dirVect.y, dirVect.x));\n vec2 longOffset, shortOffset, longVertex;\n vec4 shortProjVertex;\n float halfWidth = u_lineWidth / 2.0;\n if (length(a_nextPos - a_position) > length(a_lastPos - a_position)) {\n longOffset = tmpNormal * direction * halfWidth;\n shortOffset = normalize(vec2(dirVect.y, -dirVect.x)) * direction * halfWidth;\n longVertex = a_nextPos;\n shortProjVertex = u_projectionMatrix * vec4(a_lastPos, 0.0, 1.0);\n } else {\n shortOffset = tmpNormal * direction * halfWidth;\n longOffset = normalize(vec2(dirVect.y, -dirVect.x)) * direction * halfWidth;\n longVertex = a_lastPos;\n shortProjVertex = u_projectionMatrix * vec4(a_nextPos, 0.0, 1.0);\n }\n //Intersection algorithm based on theory by Paul Bourke (http://paulbourke.net/geometry/pointlineplane/).\n vec4 p1 = u_projectionMatrix * vec4(longVertex, 0.0, 1.0) + offsetMatrix * vec4(longOffset, 0.0, 0.0);\n vec4 p2 = projPos + offsetMatrix * vec4(longOffset, 0.0, 0.0);\n vec4 p3 = shortProjVertex + offsetMatrix * vec4(-shortOffset, 0.0, 0.0);\n vec4 p4 = shortProjVertex + offsetMatrix * vec4(shortOffset, 0.0, 0.0);\n float denom = (p4.y - p3.y) * (p2.x - p1.x) - (p4.x - p3.x) * (p2.y - p1.y);\n float firstU = ((p4.x - p3.x) * (p1.y - p3.y) - (p4.y - p3.y) * (p1.x - p3.x)) / denom;\n float secondU = ((p2.x - p1.x) * (p1.y - p3.y) - (p2.y - p1.y) * (p1.x - p3.x)) / denom;\n float epsilon = 0.000000000001;\n if (firstU > epsilon && firstU < 1.0 - epsilon && secondU > epsilon && secondU < 1.0 - epsilon) {\n shortProjVertex.x = p1.x + firstU * (p2.x - p1.x);\n shortProjVertex.y = p1.y + firstU * (p2.y - p1.y);\n offset = shortProjVertex.xy;\n degenerate = true;\n } else {\n float miterLength = abs(halfWidth / dot(normal, tmpNormal));\n offset = normal * direction * miterLength;\n }\n return degenerate;\n}\n\nvoid squareCap(out vec2 offset, out float round, in bool isRound, in vec2 nextP,\n in float turnDir, in float direction) {\n round = 0.0;\n vec2 dirVect = a_position - nextP;\n vec2 firstNormal = normalize(dirVect);\n vec2 secondNormal = vec2(turnDir * firstNormal.y * direction, -turnDir * firstNormal.x * direction);\n vec2 hypotenuse = normalize(firstNormal - secondNormal);\n vec2 normal = vec2(turnDir * hypotenuse.y * direction, -turnDir * hypotenuse.x * direction);\n float length = sqrt(v_halfWidth * v_halfWidth * 2.0);\n offset = normal * length;\n if (isRound) {\n round = 1.0;\n }\n}\n\nvoid main(void) {\n bool degenerate = false;\n float direction = float(sign(a_direction));\n mat4 offsetMatrix = u_offsetScaleMatrix * u_offsetRotateMatrix;\n vec2 offset;\n vec4 projPos = u_projectionMatrix * vec4(a_position, 0.0, 1.0);\n bool round = nearlyEquals(mod(a_direction, 2.0), 0.0);\n\n v_round = 0.0;\n v_halfWidth = u_lineWidth / 2.0;\n v_roundVertex = projPos.xy;\n\n if (nearlyEquals(mod(a_direction, 3.0), 0.0) || nearlyEquals(mod(a_direction, 17.0), 0.0)) {\n alongNormal(offset, a_nextPos, 1.0, direction);\n } else if (nearlyEquals(mod(a_direction, 5.0), 0.0) || nearlyEquals(mod(a_direction, 13.0), 0.0)) {\n alongNormal(offset, a_lastPos, -1.0, direction);\n } else if (nearlyEquals(mod(a_direction, 23.0), 0.0)) {\n miterUp(offset, v_round, round, direction);\n } else if (nearlyEquals(mod(a_direction, 19.0), 0.0)) {\n degenerate = miterDown(offset, projPos, offsetMatrix, direction);\n } else if (nearlyEquals(mod(a_direction, 7.0), 0.0)) {\n squareCap(offset, v_round, round, a_nextPos, 1.0, direction);\n } else if (nearlyEquals(mod(a_direction, 11.0), 0.0)) {\n squareCap(offset, v_round, round, a_lastPos, -1.0, direction);\n }\n if (!degenerate) {\n vec4 offsets = offsetMatrix * vec4(offset, 0.0, 0.0);\n gl_Position = projPos + offsets;\n } else {\n gl_Position = vec4(offset, 0.0, 1.0);\n }\n}\n\n\n' :
'varying float a;varying vec2 aVertex;varying float c;attribute vec2 d;attribute vec2 e;attribute vec2 f;attribute float g;uniform mat4 h;uniform mat4 i;uniform mat4 j;uniform float k;uniform float l;bool nearlyEquals(in float value,in float ref){float epsilon=0.000000000001;return value>=ref-epsilon&&value<=ref+epsilon;}void alongNormal(out vec2 offset,in vec2 nextP,in float turnDir,in float direction){vec2 dirVect=nextP-e;vec2 normal=normalize(vec2(-turnDir*dirVect.y,turnDir*dirVect.x));offset=k/2.0*normal*direction;}void miterUp(out vec2 offset,out float round,in bool isRound,in float direction){float halfWidth=k/2.0;vec2 tangent=normalize(normalize(f-e)+normalize(e-d));vec2 normal=vec2(-tangent.y,tangent.x);vec2 dirVect=f-e;vec2 tmpNormal=normalize(vec2(-dirVect.y,dirVect.x));float miterLength=abs(halfWidth/dot(normal,tmpNormal));offset=normal*direction*miterLength;round=0.0;if(isRound){round=1.0;}else if(miterLength>l+k){offset=halfWidth*tmpNormal*direction;}} bool miterDown(out vec2 offset,in vec4 projPos,in mat4 offsetMatrix,in float direction){bool degenerate=false;vec2 tangent=normalize(normalize(f-e)+normalize(e-d));vec2 normal=vec2(-tangent.y,tangent.x);vec2 dirVect=d-e;vec2 tmpNormal=normalize(vec2(-dirVect.y,dirVect.x));vec2 longOffset,shortOffset,longVertex;vec4 shortProjVertex;float halfWidth=k/2.0;if(length(f-e)>length(d-e)){longOffset=tmpNormal*direction*halfWidth;shortOffset=normalize(vec2(dirVect.y,-dirVect.x))*direction*halfWidth;longVertex=f;shortProjVertex=h*vec4(d,0.0,1.0);}else{shortOffset=tmpNormal*direction*halfWidth;longOffset=normalize(vec2(dirVect.y,-dirVect.x))*direction*halfWidth;longVertex=d;shortProjVertex=h*vec4(f,0.0,1.0);}vec4 p1=h*vec4(longVertex,0.0,1.0)+offsetMatrix*vec4(longOffset,0.0,0.0);vec4 p2=projPos+offsetMatrix*vec4(longOffset,0.0,0.0);vec4 p3=shortProjVertex+offsetMatrix*vec4(-shortOffset,0.0,0.0);vec4 p4=shortProjVertex+offsetMatrix*vec4(shortOffset,0.0,0.0);float denom=(p4.y-p3.y)*(p2.x-p1.x)-(p4.x-p3.x)*(p2.y-p1.y);float firstU=((p4.x-p3.x)*(p1.y-p3.y)-(p4.y-p3.y)*(p1.x-p3.x))/denom;float secondU=((p2.x-p1.x)*(p1.y-p3.y)-(p2.y-p1.y)*(p1.x-p3.x))/denom;float epsilon=0.000000000001;if(firstU>epsilon&&firstU<1.0-epsilon&&secondU>epsilon&&secondU<1.0-epsilon){shortProjVertex.x=p1.x+firstU*(p2.x-p1.x);shortProjVertex.y=p1.y+firstU*(p2.y-p1.y);offset=shortProjVertex.xy;degenerate=true;}else{float miterLength=abs(halfWidth/dot(normal,tmpNormal));offset=normal*direction*miterLength;}return degenerate;}void squareCap(out vec2 offset,out float round,in bool isRound,in vec2 nextP,in float turnDir,in float direction){round=0.0;vec2 dirVect=e-nextP;vec2 firstNormal=normalize(dirVect);vec2 secondNormal=vec2(turnDir*firstNormal.y*direction,-turnDir*firstNormal.x*direction);vec2 hypotenuse=normalize(firstNormal-secondNormal);vec2 normal=vec2(turnDir*hypotenuse.y*direction,-turnDir*hypotenuse.x*direction);float length=sqrt(c*c*2.0);offset=normal*length;if(isRound){round=1.0;}} void main(void){bool degenerate=false;float direction=float(sign(g));mat4 offsetMatrix=i*j;vec2 offset;vec4 projPos=h*vec4(e,0.0,1.0);bool round=nearlyEquals(mod(g,2.0),0.0);a=0.0;c=k/2.0;aVertex=projPos.xy;if(nearlyEquals(mod(g,3.0),0.0)||nearlyEquals(mod(g,17.0),0.0)){alongNormal(offset,f,1.0,direction);}else if(nearlyEquals(mod(g,5.0),0.0)||nearlyEquals(mod(g,13.0),0.0)){alongNormal(offset,d,-1.0,direction);}else if(nearlyEquals(mod(g,23.0),0.0)){miterUp(offset,a,round,direction);}else if(nearlyEquals(mod(g,19.0),0.0)){degenerate=miterDown(offset,projPos,offsetMatrix,direction);}else if(nearlyEquals(mod(g,7.0),0.0)){squareCap(offset,a,round,f,1.0,direction);}else if(nearlyEquals(mod(g,11.0),0.0)){squareCap(offset,a,round,d,-1.0,direction);}if(!degenerate){vec4 offsets=offsetMatrix*vec4(offset,0.0,0.0);gl_Position=projPos+offsets;}else{gl_Position=vec4(offset,0.0,1.0);}}');
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