optimization

Author: David Braun

MatrixCHOP/MatrixCHOP.cpp

@@ -178,17 +178,9 @@ MatrixCHOP::execute(CHOP_Output* output,
 
 			float* p = theMat.multByVector(theVec);
 
-			p[0] /= p[3];
-			p[1] /= p[3];
-			p[2] /= p[3];
-
-			p[0] = .5 + p[0] * .5;
-			p[1] = .5 + p[1] * .5;
-			p[2] = .5 + p[2] * .5;
-
-			output->channels[0][i] = p[0];
-			output->channels[1][i] = p[1];
-			output->channels[2][i] = p[2];
+			output->channels[0][i] = .5 + .5 * p[0] / p[3];
+			output->channels[1][i] = .5 + .5 * p[1] / p[3];
+			output->channels[2][i] = .5 + .5 * p[2] / p[3];
 		}
 
 	}

MatrixCHOP/Plugins/MatrixCHOP.dll

@@ -16,4 +16,5 @@ In this image we render a white rectangle at an oblique angle. The MatrixCHOP ta
 [Build the dll yourself](https://docs.derivative.ca/Write_a_CPlusPlus_Plugin), or use a compiled DLL file. `MatrixCHOP/MatrixCHOP/Plugins/MatrixCHOP.dll` has been compiled as a [Custom Operator](https://docs.derivative.ca/Custom_Operators) for TouchDesigner 2019.19160.
 
 ## Changelog
+* 2019-09-27 Optimization
 * 2019-09-19 Public release