public void selectObject(
Object3D target, int mouseX, int mouseY, int screenWidth, int screenHeight, Camera camera) {
try {
selectedDraggablekObject = target;
Ray ray = projector.gwtCreateRay(mouseX, mouseY, screenWidth, screenHeight, camera);
// ig dry every thing dont work
// Vector3
// rotation=GWTThreeUtils.rotationToVector3((selectedDraggablekObject.getMatrixWorld()));
// mouseClickCatcher.getRotation().copy(rotation);
selectedDraggablekObject.updateMatrixWorld(true);
mouseCatchPlane
.getPosition()
.copy(GWTThreeUtils.toPositionVec(selectedDraggablekObject.getMatrixWorld()));
mouseCatchPlane.updateMatrixWorld(true); // very important
JsArray<Intersect> pintersects = ray.intersectObject(mouseCatchPlane);
draggableOffset.copy(pintersects.get(0).getPoint()).subSelf(mouseCatchPlane.getPosition());
/*
* make a problem?
if(draggableOffset.getX()<0.0001){
draggableOffset.setX(0);
}
if(draggableOffset.getY()<0.0001){
draggableOffset.setY(0);
}
if(draggableOffset.getZ()<0.0001){
draggableOffset.setZ(0);
}
*/
} catch (Exception e) {
LogUtils.log("selectObject:" + e.getMessage());
selectedDraggablekObject = null;
}
// LogUtils.log("offset:"+ThreeLog.get(draggableOffset));
}
public void update() {
if (systems == null || systems[index] == null) {
reset(index);
}
for (int j = 0; j < maxStep; j++) {
ParticleSystem system = systems[j];
if (system == null) {
break;
}
Vector3 addAccel = THREE.Vector3(0, accel.getY() * steps[j], 0);
for (int i = 0; i < particleSize; i++) {
Vector3 vertex = system.getGeometry().vertices().get(i);
vertex.addSelf(velocity);
vertex.addSelf(addVelocities[j][i]);
vertex.addSelf(wind);
vertex.addSelf(addAccel); // do slow
// vertex.getPosition().addSelf(winds[i]);
}
system.getGeometry().setVerticesNeedUpdate(true);
((ParticleBasicMaterial) system.getMaterial()).setSize(baseSize + changeSize * steps[j]);
((ParticleBasicMaterial) system.getMaterial())
.setOpacity(Math.max(0, 1 - changeOpacity * steps[j]));
steps[j]++;
if (steps[j] == maxStep) {
reset(j);
steps[j] = 0;
}
}
index++;
if (index == maxStep) {
index = 0;
}
}
public void reset(int index) {
if (systems == null) {
systems = new ParticleSystem[maxStep];
steps = new int[maxStep];
addVelocities = new Vector3[maxStep][particleSize];
}
if (systems[index] == null) { // initialize
Geometry geometry = THREE.Geometry();
for (int i = 0; i < particleSize; i++) {
geometry.vertices().push(THREE.Vector3(0, 0, 0));
}
ParticleSystem system = THREE.ParticleSystem(geometry, baseMaterial.build());
// system.setSortParticles(true);
systems[index] = system;
parent.add(system);
} else {
//
ParticleSystem system = systems[index];
((ParticleBasicMaterial) system.getMaterial()).setSize(baseSize);
for (int i = 0; i < particleSize; i++) {
Vector3 vertex = system.getGeometry().vertices().get(i);
vertex.set(0, 0, 0);
}
system.getGeometry().setVerticesNeedUpdate(true);
}
// addVelocities=new Vector3[maxStep][particleSize];
// simple and boring
for (int i = 0; i < particleSize; i++) {
addVelocities[index][i] =
THREE.Vector3(
plusMinus(velocityRange.getX()),
plusMinus(velocityRange.getY()),
plusMinus(velocityRange.getZ()));
}
Vector3 addwind =
THREE.Vector3(
plusMinus(velocityRange.getX()) * 2,
plusMinus(velocityRange.getY()) * 2,
plusMinus(velocityRange.getZ()) * 2);
// wind.addSelf(addwind);
if (index % 5 == 0) {
wind.set(
wind.getX() / 4 * 3 + addwind.getX() / 4,
wind.getY() / 4 * 3 + addwind.getY() / 4,
wind.getZ() / 4 * 3 + addwind.getZ() / 4);
}
for (int i = 0; i < particleSize; i++) {
winds[i] =
THREE.Vector3(
plusMinus(velocityRange.getX()) * 5,
plusMinus(velocityRange.getY()) * 5,
plusMinus(velocityRange.getZ()) * 5);
}
}
/*
*** sometime it error happend,check
* double mouseMoved=(Math.abs(diffX)+Math.abs(diffY));
*double length=newPos.clone().subSelf(getCurrentIkData().getTargetPos()).length();
* if(length<mouseMoved*5){
*/
public Vector3 moveSelectionPosition(
int mouseX, int mouseY, int screenWidth, int screenHeight, Camera camera) {
if (isSelected()) {
try {
Ray ray = projector.gwtCreateRay(mouseX, mouseY, screenWidth, screenHeight, camera);
JsArray<Intersect> intersects = ray.intersectObject(mouseCatchPlane);
Vector3 newPos = intersects.get(0).getPoint().subSelf(draggableOffset);
log = "newPos-raw:" + ThreeLog.get(newPos);
Vector3 parentPos = THREE.Vector3();
if (selectedDraggablekObject.getParent() != null) {
// selectedDraggablekObject.getParent().updateMatrixWorld(true); //if call it bone moving
// will be broken.i have no idea.
parentPos =
GWTThreeUtils.toPositionVec(selectedDraggablekObject.getParent().getMatrixWorld());
// LogUtils.log("parent:"+ThreeLog.get(parentPos));
log += "parentPos:" + ThreeLog.get(parentPos);
}
newPos.subSelf(parentPos);
Matrix4 rotM = THREE.Matrix4();
Vector3 rotation =
GWTThreeUtils.rotationToVector3(
(selectedDraggablekObject.getParent().getMatrixWorld()));
// rotM.getInverse(selectedDraggablekObject.getMatrixRotationWorld());
log += "parentRot:" + ThreeLog.get(GWTThreeUtils.radiantToDegree(rotation));
rotM.getInverse(GWTThreeUtils.rotationToMatrix4(rotation));
rotM.multiplyVector3(newPos);
// Vector3 parentRotation=THREE.Vector3();
/*
Object3D obj=selectedDraggablekObject;
while(obj.getParent()!=null){
parentPos.addSelf(obj.getParent().getPosition());
parentRotation.addSelf(obj.getParent().getRotation());
obj=obj.getParent();
}
LogUtils.log("parent-rot:"+ThreeLog.get(GWTThreeUtils.radiantToDegree(parentRotation)));
*/
// Matrix4 mx=GWTThreeUtils.rotationToMatrix4(parentRotation);
// mx.multiplyVector3(parentPos);
/*
log("m:"+ThreeLog.get(selectedDraggablekObject.getPosition()));
log("m:"+ThreeLog.get(GWTThreeUtils.toPositionVec(selectedDraggablekObject.getMatrix())));
log("mw:"+ThreeLog.get(GWTThreeUtils.toPositionVec(selectedDraggablekObject.getMatrixWorld())));
*/
// must be same as selectedDraggablekObject
return newPos;
} catch (Exception e) {
LogUtils.log("moveSelectionPosition:" + e.getMessage());
return null;
}
} else {
return null;
}
}