setState method
Implementation
setState(Material material, Camera camera, bool useCache) {
var planes = material.clippingPlanes;
var clipIntersection = material.clipIntersection;
var clipShadows = material.clipShadows;
var materialProperties = properties.get(material);
if (!localClippingEnabled ||
planes == null ||
planes.isEmpty ||
renderingShadows && !clipShadows) {
// there's no local clipping
if (renderingShadows) {
// there's no global clipping
projectPlanes(null, null, null, null);
} else {
resetGlobalState();
}
} else {
var nGlobal = renderingShadows ? 0 : numGlobalPlanes;
var lGlobal = nGlobal * 4;
var dstArray = materialProperties["clippingState"];
uniform["value"] = dstArray; // ensure unique state
dstArray = projectPlanes(planes, camera, lGlobal, useCache);
for (var i = 0; i != lGlobal; ++i) {
dstArray[i] = globalState[i];
}
materialProperties["clippingState"] = dstArray;
numIntersection = clipIntersection ? numPlanes : 0;
numPlanes += nGlobal;
}
}