650     noiseCode.appendf("\tvec4 %s;\n", floorVal);  in emitCode()
651     noiseCode.appendf("\t%s.xy = floor(%s);\n", floorVal, noiseVec);  in emitCode()
652     noiseCode.appendf("\t%s.zw = %s.xy + vec2(1.0);\n", floorVal, floorVal);  in emitCode()
653     noiseCode.appendf("\tvec2 %s = fract(%s);\n", fractVal, noiseVec);  in emitCode()
656     noiseCode.appendf("\n\tvec2 %s = %s * %s * (vec2(3.0) - vec2(2.0) * %s);",  in emitCode()
661         noiseCode.appendf("\n\tif(%s.x >= %s.x) { %s.x -= %s.x; }",  in emitCode()
663         noiseCode.appendf("\n\tif(%s.y >= %s.y) { %s.y -= %s.y; }",  in emitCode()
665         noiseCode.appendf("\n\tif(%s.z >= %s.x) { %s.z -= %s.x; }",  in emitCode()
667         noiseCode.appendf("\n\tif(%s.w >= %s.y) { %s.w -= %s.y; }",  in emitCode()
672     noiseCode.appendf("\n\t%s = fract(floor(mod(%s, 256.0)) / vec4(256.0));\n",  in emitCode()
678         xCoords.appendf("vec2(%s.x, 0.5)", floorVal);  in emitCode()
680         noiseCode.appendf("\n\tvec2 %s;\n\t%s.x = ", latticeIdx, latticeIdx);  in emitCode()
689         xCoords.appendf("vec2(%s.z, 0.5)", floorVal);  in emitCode()
691         noiseCode.appendf("\n\t%s.y = ", latticeIdx);  in emitCode()
704     noiseCode.appendf("\n\t%s = floor(%s * vec2(255.0) + vec2(0.5)) * vec2(0.003921569);",  in emitCode()
709     noiseCode.appendf("\n\tvec4 %s = fract(%s.xyxy + %s.yyww);", bcoords, latticeIdx, floorVal);  in emitCode()
711     noiseCode.appendf("\n\n\tvec2 %s;", uv);  in emitCode()
715         latticeCoords.appendf("vec2(%s.x, %s)", bcoords, chanCoord);  in emitCode()
716         noiseCode.appendf("\n\tvec4 %s = ", lattice);  in emitCode()
719         noiseCode.appendf(".bgra;\n\t%s.x = ", uv);  in emitCode()
720         noiseCode.appendf(dotLattice, lattice, lattice, inc8bit, fractVal);  in emitCode()
723     noiseCode.appendf("\n\t%s.x -= 1.0;", fractVal);  in emitCode()
727         latticeCoords.appendf("vec2(%s.y, %s)", bcoords, chanCoord);  in emitCode()
731         noiseCode.appendf(".bgra;\n\t%s.y = ", uv);  in emitCode()
732         noiseCode.appendf(dotLattice, lattice, lattice, inc8bit, fractVal);  in emitCode()
736     noiseCode.appendf("\n\tvec2 %s;", ab);  in emitCode()
737     noiseCode.appendf("\n\t%s.x = mix(%s.x, %s.y, %s.x);", ab, uv, uv, noiseSmooth);  in emitCode()
739     noiseCode.appendf("\n\t%s.y -= 1.0;", fractVal);  in emitCode()
743         latticeCoords.appendf("vec2(%s.w, %s)", bcoords, chanCoord);  in emitCode()
747         noiseCode.appendf(".bgra;\n\t%s.y = ", uv);  in emitCode()
748         noiseCode.appendf(dotLattice, lattice, lattice, inc8bit, fractVal);  in emitCode()
751     noiseCode.appendf("\n\t%s.x += 1.0;", fractVal);  in emitCode()
755         latticeCoords.appendf("vec2(%s.z, %s)", bcoords, chanCoord);  in emitCode()
759         noiseCode.appendf(".bgra;\n\t%s.x = ", uv);  in emitCode()
760         noiseCode.appendf(dotLattice, lattice, lattice, inc8bit, fractVal);  in emitCode()
764     noiseCode.appendf("\n\t%s.y = mix(%s.x, %s.y, %s.x);", ab, uv, uv, noiseSmooth);  in emitCode()
766     noiseCode.appendf("\n\treturn mix(%s.x, %s.y, %s.y);\n", ab, ab, noiseSmooth);  in emitCode()