projectPlanes method
dynamic
projectPlanes(
- dynamic planes,
- dynamic camera,
- dynamic dstOffset,
- dynamic skipTransform,
Implementation
projectPlanes(planes, camera, dstOffset, skipTransform) {
var nPlanes = planes != null ? planes.length : 0;
var dstArray;
if (nPlanes != 0) {
dstArray = uniform["value"];
if (skipTransform != true || dstArray == null) {
var flatSize = dstOffset + nPlanes * 4,
viewMatrix = camera.matrixWorldInverse;
viewNormalMatrix.getNormalMatrix(viewMatrix);
if (dstArray == null || dstArray.length < flatSize) {
dstArray = List<num>.filled(flatSize, 0.0);
}
for (var i = 0, i4 = dstOffset; i != nPlanes; ++i, i4 += 4) {
plane.copy(planes[i]).applyMatrix4(viewMatrix, viewNormalMatrix);
plane.normal.toArray(dstArray, i4);
dstArray[i4 + 3] = plane.constant;
}
}
uniform["value"] = dstArray;
uniform["needsUpdate"] = true;
}
numPlanes = nPlanes;
numIntersection = 0;
return dstArray;
}