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55 lines
3.8 KiB
55 lines
3.8 KiB
// All material copyright Esri, All Rights Reserved, unless otherwise specified. |
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// See https://js.arcgis.com/4.30/esri/copyright.txt for details. |
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//>>built |
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define("exports ../core/libs/gl-matrix-2/math/mat4 ../core/libs/gl-matrix-2/factories/mat4f64 ../core/libs/gl-matrix-2/math/vec2 ../core/libs/gl-matrix-2/factories/vec2f64 ../views/3d/webgl-engine/core/shaderLibrary/Laserline.glsl ../views/3d/webgl-engine/core/shaderModules/Float2PassUniform ../views/3d/webgl-engine/core/shaderModules/FloatPassUniform ../views/3d/webgl-engine/core/shaderModules/interfaces ../views/3d/webgl-engine/core/shaderModules/Matrix4PassUniform ../views/3d/webgl-engine/core/shaderModules/ShaderBuilder ../views/3d/webgl-engine/lib/VertexAttribute".split(" "), |
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function(f,p,e,q,r,t,u,g,h,k,v,d){function l(w){const a=new v.ShaderBuilder;a.include(t.Laserline,w);const {vertex:m,fragment:n}=a;m.uniforms.add(new k.Matrix4PassUniform("modelView",(c,{camera:b})=>p.translate(x,b.viewMatrix,c.origin)),new k.Matrix4PassUniform("proj",(c,{camera:b})=>b.projectionMatrix),new g.FloatPassUniform("glowWidth",(c,{camera:b})=>c.glowWidth*b.pixelRatio),new u.Float2PassUniform("pixelToNDC",(c,{camera:b})=>q.set(y,2/b.fullViewport[2],2/b.fullViewport[3])));a.attributes.add(d.VertexAttribute.START, |
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"vec3");a.attributes.add(d.VertexAttribute.END,"vec3");a.attributes.add(d.VertexAttribute.UP,"vec3");a.attributes.add(d.VertexAttribute.EXTRUDE,"vec2");a.varyings.add("uv","vec2");a.varyings.add("vViewStart","vec3");a.varyings.add("vViewEnd","vec3");a.varyings.add("vViewPlane","vec4");m.code.add(h.glsl`void main() { |
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vec3 pos = mix(start, end, extrude.x); |
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vec4 viewPos = modelView * vec4(pos, 1); |
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vec4 projPos = proj * viewPos; |
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vec2 ndcPos = projPos.xy / projPos.w; |
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vec3 viewUp = (modelView * vec4(extrude.y * up, 0)).xyz; |
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vec4 projPosUp = proj * vec4(viewPos.xyz + viewUp, 1); |
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vec2 projExtrudeDir = normalize(projPosUp.xy / projPosUp.w - ndcPos); |
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vec2 lxy = abs(sign(projExtrudeDir) - ndcPos); |
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ndcPos += length(lxy) * projExtrudeDir; |
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vec3 worldPlaneNormal = normalize(cross(up, normalize(end - start))); |
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vec3 viewPlaneNormal = (modelView * vec4(worldPlaneNormal, 0)).xyz; |
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vViewStart = (modelView * vec4(start, 1)).xyz; |
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vViewEnd = (modelView * vec4(end, 1)).xyz; |
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vViewPlane = vec4(viewPlaneNormal, -dot(viewPlaneNormal, vViewStart)); |
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float xPaddingPixels = sign(dot(viewPlaneNormal, viewPos.xyz)) * (extrude.x * 2.0 - 1.0) * glowWidth; |
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ndcPos.x += xPaddingPixels * pixelToNDC.x; |
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uv = ndcPos * 0.5 + 0.5; |
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gl_Position = vec4(ndcPos, 0, 1); |
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}`);n.uniforms.add(new g.FloatPassUniform("perScreenPixelRatio",(c,b)=>b.camera.perScreenPixelRatio));n.code.add(h.glsl`float planeDistancePixels(vec4 plane, vec3 pos, vec3 start, vec3 end) { |
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vec3 origin = mix(start, end, 0.5); |
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vec3 basis = end - origin; |
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vec3 posAtOrigin = pos - origin; |
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float x = dot(normalize(basis), posAtOrigin); |
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float y = dot(plane.xyz, posAtOrigin); |
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float dx = max(abs(x) - length(basis), 0.0); |
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float dy = y; |
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float dist = length(vec2(dx, dy)); |
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float width = fwidth(y); |
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float maxPixelDistance = length(pos) * perScreenPixelRatio * 2.0; |
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float pixelDist = dist / min(width, maxPixelDistance); |
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return abs(pixelDist); |
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} |
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void main() { |
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vec3 dEndStart = vViewEnd - vViewStart; |
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if (dot(dEndStart, dEndStart) < 1e-5) { |
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discard; |
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} |
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vec3 pos; |
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vec3 normal; |
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float angleCutoffAdjust; |
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float depthDiscontinuityAlpha; |
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if (!laserlineReconstructFromDepth(pos, normal, angleCutoffAdjust, depthDiscontinuityAlpha)) { |
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discard; |
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} |
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float distance = planeDistancePixels(vViewPlane, pos, vViewStart, vViewEnd); |
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vec4 color = laserlineProfile(distance); |
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float alpha = (1.0 - smoothstep(0.995 - angleCutoffAdjust, 0.999 - angleCutoffAdjust, abs(dot(normal, vViewPlane.xyz)))); |
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fragColor = laserlineOutput(color * alpha * depthDiscontinuityAlpha); |
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}`);return a}const y=r.create(),x=e.create();e=Object.freeze(Object.defineProperty({__proto__:null,build:l},Symbol.toStringTag,{value:"Module"}));f.LaserlinePath=e;f.build=l}); |