void setDirectionVector(ServerElement element, Float x, Float y, Float z) {
RigidBody rb = elementToRigidBody.get(element);
rb.getOrientation(oriantation);
rot.set(oriantation);
directionVector.set(x, y, z);
rot.transform(directionVector);
}
void updateServerElements() {
for (RigidBody rb : rigidBodies) {
ServerElement element = rigidBodyToServerElement.get(rb);
if (rb != null && rb.getMotionState() != null) {
rb.getMotionState().getWorldTransform(tmpTrans);
element.setTransform(tmpTrans);
}
if (!rb.isActive()) {
rb.activate();
}
// log.debug(" "+element.getPosition());
}
for (Integer id : serverGameArea.getGameState().getDynamicElements().keySet()) {
ServerElement elem = serverGameArea.getGameState().getDynamicElements().get(id);
elem.getCollidees().clear();
}
Integer nbManifold = dynamicsWorld.getDispatcher().getNumManifolds();
for (Integer i = 0; i < nbManifold; i++) {
PersistentManifold pm = dynamicsWorld.getDispatcher().getManifoldByIndexInternal(i);
RigidBody rb0 = (RigidBody) pm.getBody0();
RigidBody rb1 = (RigidBody) pm.getBody1();
ServerElement elem0 = rigidBodyToServerElement.get(rb0);
ServerElement elem1 = rigidBodyToServerElement.get(rb1);
if ((elem0 instanceof ServerBullet) || (elem1 instanceof ServerBullet)) {
log.info("coll " + elem0 + " " + elem1);
}
elem0.addCollidee(elem1);
elem1.addCollidee(elem0);
}
}
public void transform(Matrix4f mat, boolean updateLocal) {
activate();
Transform t = new Transform();
t.set(mat);
Vector3f v = new Vector3f();
for (int i = 0; i < 3; ++i) {
t.basis.getColumn(i, v);
v.normalize();
t.basis.setColumn(i, v);
}
body.setWorldTransform(t);
// required for static objects:
body.getMotionState().setWorldTransform(t);
if (body.isInWorld() && body.isStaticOrKinematicObject()) {
scene.world.updateSingleAabb(body);
for (GameObject g : touchingObjects) g.activate();
}
//
updateChildTransforms();
if (parent != null && updateLocal) {
updateLocalTransform();
}
}
public void mass(float mass) {
if (mass == 0) {
throw new RuntimeException("no zero value allowed: use 'dynamics(false)' instead");
}
Vector3f inertia = new Vector3f();
body.getCollisionShape().calculateLocalInertia(mass, inertia);
body.setMassProps(mass, inertia);
}
public void setElementRotation(ServerElement element, Float rot) {
// log.debug("rot");
RigidBody rb = elementToRigidBody.get(element);
synchronized (turnVector) {
turnVector.set(0f, rot, 0f);
rb.applyTorque(turnVector);
// rb.setAngularVelocity(turnVector);
}
}
public void dynamics(boolean restore) {
if (currBodyType.equals("DYNAMIC") || currBodyType.equals("RIGID_BODY")) {
if (restore) {
bodyType(currBodyType);
} else { // suspend
body.setCollisionFlags(body.getCollisionFlags() | CollisionFlags.KINEMATIC_OBJECT);
}
}
}
public void ghostNoChildren(boolean ghost) {
int flags = body.getCollisionFlags();
int noContact = CollisionFlags.NO_CONTACT_RESPONSE;
if (ghost) flags |= noContact;
else flags &= ~noContact;
body.setCollisionFlags(flags);
}
public void setServerElementStraf(ServerElement element, Float straf) {
// log.debug("accel");
synchronized (directionVector) {
setRightDirectionVector(element);
directionVector.scale(straf);
RigidBody rb = elementToRigidBody.get(element);
rb.applyCentralForce(directionVector);
// rb.setLinearVelocity(directionVector);
}
}
@Override
public Element persist(Document doc, Element widgetNode, Widget widget) {
CylinderWidget cylinder = (CylinderWidget) widget;
RigidBody cylinderBody = cylinder.getRigidBody();
widgetNode.appendChild(
persistParam(
doc, "location", v3fToString(cylinderBody.getCenterOfMassPosition(new Vector3f()))));
widgetNode.appendChild(
persistParam(
doc,
"orientation",
v3fToString(
RenderableBase.toAngles(
cylinderBody.getWorldTransform(new Transform()).getRotation(new Quat4f())))));
widgetNode.appendChild(
persistParam(
doc, "linearVeloctiy", v3fToString(cylinderBody.getLinearVelocity(new Vector3f()))));
widgetNode.appendChild(
persistParam(
doc, "angularVelocity", v3fToString(cylinderBody.getAngularVelocity(new Vector3f()))));
widgetNode.appendChild(persistParam(doc, "radius", "" + cylinder.getRadius()));
widgetNode.appendChild(persistParam(doc, "height", "" + cylinder.getHeight()));
widgetNode.appendChild(persistParam(doc, "mass", "" + (1f / cylinderBody.getInvMass())));
widgetNode.appendChild(persistParam(doc, "restitution", "" + cylinderBody.getRestitution()));
widgetNode.appendChild(persistParam(doc, "friction", "" + cylinderBody.getFriction()));
return widgetNode;
}
public Vector3f velocityLocal() {
Vector3f v = new Vector3f();
body.getLinearVelocity(v);
Matrix3f invOri = orientation();
invOri.invert();
return invOri.mult(v);
}
public void update(float deltaTime) {
rigidBody.getMotionState().getWorldTransform(trans);
this.getPosition().set(trans.origin.x, trans.origin.y, trans.origin.z);
// Quat4f rotate = trans.getRotation(new Quat4f());
// float[] rotation = new float[] { 0, 0, 0, 0 };
// rotation = GPTransLation.translateQuatToAXYZ(rotate);
// this.setRotation(rotation);
}
/**
* @param restitution反弹系数
* @param friction摩擦力系数
* @param mass
*/
public void init(float restitution, float friction, float mass) {
this.restitution = restitution;
this.friction = friction;
this.mass = mass;
intertia = new javax.vecmath.Vector3f();
RigidBodyConstructionInfo info;
if (mass == 0) {
info = new RigidBodyConstructionInfo(this.mass, state, shape);
} else {
shape.calculateLocalInertia(mass, intertia);
info = new RigidBodyConstructionInfo(this.mass, state, shape, intertia);
}
rigidBody = new RigidBody(info);
rigidBody.setFriction(friction);
rigidBody.setRestitution(restitution);
world.addRigidBody(rigidBody);
}
public void setServerElementForce(ServerElement element) {
// log.debug("accel");
synchronized (directionVector) {
RigidBody rb = elementToRigidBody.get(element);
Vector3f velocity = new Vector3f();
rb.getLinearVelocity(velocity);
velocity.scale(-1f);
rb.applyCentralForce(velocity);
Vector3f angularVelocity = new Vector3f();
rb.getAngularVelocity(angularVelocity);
angularVelocity.scale(-0.5f);
rb.applyTorque(angularVelocity);
// rb.setLinearVelocity(directionVector);
}
}
public void parent(GameObject p, boolean compound) {
CompoundShape compShapeOld = null;
if (parent != null) {
parent.children.remove(this);
if (compound) {
compShapeOld = parent.compoundShape();
if (compShapeOld != null) {
scene.world.removeRigidBody(parent.body);
compShapeOld.removeChildShape(body.getCollisionShape());
scene.world.addRigidBody(parent.body);
}
}
} else if (p == null) {
return;
}
parent = p;
if (parent != null) {
parent.children.add(this);
updateLocalTransform();
updateLocalScale();
if (compound) {
CompoundShape compShape = parent.compoundShape();
if (compShape != null) {
scene.world.removeRigidBody(body);
compShape.addChildShape(new Transform(localTransform), body.getCollisionShape());
}
} else {
dynamics(false);
}
} else if (currBodyType.equals("STATIC") || currBodyType.equals("SENSOR")) {
if (compound && compShapeOld != null) scene.world.addRigidBody(body);
} else {
dynamics(true);
}
}
private void updateRigidBodys() {
for (RigidBody rb : rigidBodies) {
ServerElement element = rigidBodyToServerElement.get(rb);
if (rb != null && rb.getMotionState() != null) {
if (element.isUpdatedByUser()) {
/*rb.getMotionState().getWorldTransform(tmpTrans);
tmpTrans.origin.x=element.getTransform().origin.x;
tmpTrans.origin.y=element.getTransform().origin.y;
tmpTrans.origin.z=element.getTransform().origin.z;
*/
rb.getMotionState().setWorldTransform(element.getTransform());
rb.setMotionState(rb.getMotionState());
element.resetUpdatedByUser();
}
}
}
}
public void scale(float x, float y, float z, boolean updateLocal) {
activate();
// Set unit scale
Matrix4 t = modelInstance.transform;
Matrix4 mat_scale = new Matrix4();
Vector3 s = new Vector3();
t.getScale(s);
mat_scale.scl(1 / s.x, 1 / s.y, 1 / s.z);
t.mul(mat_scale);
// Set target scale
mat_scale.idt();
mat_scale.scl(x, y, z);
t.mul(mat_scale);
// Relevant bullet body update
CollisionShape cs = body.getCollisionShape();
cs.setLocalScaling(new Vector3f(x, y, z));
if (body.isInWorld() && body.isStaticOrKinematicObject()) scene.world.updateSingleAabb(body);
// Child propagation
Vector3f ps = scale();
Matrix4f pt = transform();
Matrix4f ct = new Matrix4f();
Matrix4f ms = new Matrix4f();
ms.setIdentity();
ms.m00 = ps.x;
ms.m11 = ps.y;
ms.m22 = ps.z;
pt.mul(ms);
for (GameObject c : children) {
c.scale(scale().mul(c.localScale), false);
ct.mul(pt, c.localTransform);
c.transform(ct, false);
}
if (parent != null && updateLocal) {
updateLocalScale();
}
}
RigidBody createBody(
float mass,
Vector3f position,
CollisionShape shape,
Float initialVelocity,
Matrix3f orientation) {
// Create Dynamic Objects
Transform startTransform = new Transform();
startTransform.setIdentity();
// rigidbody is dynamic if and only if mass is non zero,
// otherwise static
boolean isDynamic = (mass != 0f);
Vector3f localInertia = new Vector3f(0, 0, 0);
if (isDynamic) {
shape.calculateLocalInertia(mass, localInertia);
}
if (orientation != null) {
startTransform.set(orientation);
}
startTransform.origin.set(position);
// using motionstate is recommended, it provides
// interpolation capabilities, and only synchronizes
// 'active' objects
DefaultMotionState myMotionState = new DefaultMotionState(startTransform);
RigidBodyConstructionInfo rbInfo =
new RigidBodyConstructionInfo(mass, myMotionState, shape, localInertia);
RigidBody rb = new RigidBody(rbInfo);
rb.setFriction(0.4f);
// rb.setDamping(0.7f, 0.7f);
if (initialVelocity != 0f && orientation != null) {
synchronized (initialVelocityVector) {
initialVelocityVector.set(0f, 0f, initialVelocity);
orientation.transform(initialVelocityVector);
rb.setLinearVelocity(initialVelocityVector);
}
}
return rb;
}
public boolean insideFrustum() {
Vector3f min = new Vector3f();
Vector3f max = new Vector3f();
body.getAabb(min, max);
Vector3f dimHalved = max.minus(min).mul(0.5f);
Vector3f center;
if (origin.length() == 0
|| json.get("physics").get("bounds_type").asString().equals("CONVEX_HULL"))
center = min.plus(dimHalved);
else center = min.plus(dimHalved).plus(orientation().mult(origin).mul(scale()));
return scene.cam.frustum.boundsInFrustum(
center.x, center.y, center.z, dimHalved.x, dimHalved.y, dimHalved.z);
}
public void addDynamicServerElement(ServerElement elem, Float initialVelocity) {
RigidBody rb =
createBody(
elem.getMass(),
elem.getPosition(),
getCollisionShape(elem.getSize()),
initialVelocity,
elem.getOriantation());
dynamicsWorld.addRigidBody(rb);
rigidBodyToServerElement.put(rb, elem);
elementToRigidBody.put(elem, rb);
rigidBodies.add(rb);
// dynamicServerElements.put(elem.getId(),elem);
if (elem instanceof ServerPlayer) {
ServerPlayer p = (ServerPlayer) elem;
players.add(p);
rb.setAngularFactor(0.3f);
}
if (elem instanceof ServerBullet) {
rb.setGravity(new Vector3f(0, -0.2f, 0));
}
}
public void bodyType(String s) {
int flags = body.getCollisionFlags();
if (body.isInWorld()) scene.world.removeRigidBody(body);
if (s.equals("NO_COLLISION")) {
for (GameObject g : touchingObjects) g.activate();
flags &= ~CollisionFlags.KINEMATIC_OBJECT;
} else {
if (s.equals("STATIC")) {
flags |= CollisionFlags.KINEMATIC_OBJECT;
} else if (s.equals("SENSOR")) {
flags |= CollisionFlags.KINEMATIC_OBJECT;
flags |= CollisionFlags.NO_CONTACT_RESPONSE;
} else {
// NO_COLLISION -> DYNAMIC or RIGID_BODY hack
if (currBodyType.equals("NO_COLLISION")) {
body.clearForces();
body.setLinearVelocity(new Vector3f());
}
// kinematic initialization hack
if (mass() == Float.POSITIVE_INFINITY) {
mass(1); // Blender default
flags &= ~CollisionFlags.KINEMATIC_OBJECT;
body.setCollisionFlags(flags);
}
flags &= ~CollisionFlags.KINEMATIC_OBJECT;
if (s.equals("DYNAMIC")) {
body.setAngularVelocity(new Vector3f());
body.setAngularFactor(0);
} else if (s.equals("RIGID_BODY")) {
body.setAngularFactor(1);
} else {
throw new RuntimeException(s + " is no valid bodyType name.");
}
}
scene.world.addRigidBody(body);
activate();
}
body.setCollisionFlags(flags);
currBodyType = s;
}
public Matrix4f transform() {
Transform t = new Transform();
body.getWorldTransform(t);
Vector3f v = new Vector3f();
for (int i = 0; i < 3; ++i) {
t.basis.getColumn(i, v);
v.normalize();
t.basis.setColumn(i, v);
}
Matrix4f m = new Matrix4f();
t.getMatrix(m);
return m;
}
public void drawSelf(float angle, float x, float y, float z) {
// 制定使用某套shader程序
MatrixState.pushMatrix();
MySurfaceView.init = false;
Transform trans = body.getMotionState().getWorldTransform(new Transform());
MatrixState.translate(trans.origin.x, trans.origin.y, trans.origin.z);
Quat4f ro = trans.getRotation(new Quat4f());
if (ro.x != 0 || ro.y != 0 || ro.z != 0) {
float[] fa = SYSUtil.fromSYStoAXYZ(ro);
if (isNumber(fa[0] + "") && isNumber(fa[1] + "") && isNumber(fa[2] + "")) {
MatrixState.rotate(fa[0], fa[1], fa[2], fa[3]);
}
}
GLES20.glUseProgram(mProgram);
MatrixState.rotate(angle, x, y, z);
// 将最终变换矩阵传入shader程序
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
// 将位置、旋转变换矩阵传入着色器程序
GLES20.glUniformMatrix4fv(muMMatrixHandle, 1, false, MatrixState.currMatrix, 0);
// 将光源位置传入着色器程序
GLES20.glUniform3fv(maLightLocationHandle, 1, MatrixState.lightPositionFBRed);
// 将摄像机位置传入着色器程序
GLES20.glUniform3fv(maCameraHandle, 1, MatrixState.cameraFB);
// 为画笔指定顶点位置数据
GLES20.glVertexAttribPointer(maPositionHandle, 3, GLES20.GL_FLOAT, false, 3 * 4, mVertexBuffer);
// 为画笔指定顶点法向量数据
GLES20.glVertexAttribPointer(maNormalHandle, 4, GLES20.GL_FLOAT, false, 3 * 4, mNormalBuffer);
// 允许顶点位置数据数组
GLES20.glEnableVertexAttribArray(maPositionHandle);
GLES20.glEnableVertexAttribArray(maNormalHandle);
// 绘制三角形
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
MatrixState.popMatrix();
}
public void addObjectsToCollisionDomain() {
Iterator<Entry<MTComponent, ArrayList<MTTriangleMesh>>> groupIter =
collisionGroups.entrySet().iterator();
int collidesWith = 0;
while (groupIter.hasNext()) {
collidesWith = ~groupId;
Entry<MTComponent, ArrayList<MTTriangleMesh>> element = groupIter.next();
// CollisionShape shape = createMeshShapeFromMTMeshTriangle(element.getValue());
Iterator<MTTriangleMesh> iter = element.getValue().iterator();
while (iter.hasNext()) {
MTComponent comp = iter.next();
CollisionShape shape = createMeshShapeFromMTMeshTriangle((MTTriangleMesh) comp);
/* Transform startTransform = new Transform();
startTransform.setIdentity();
Vector3f vec = new Vector3f();
Vector3D translate = currentMesh.getCenterPointRelativeToParent();
vec.x = translate.x;
vec.y = translate.y;
vec.z = translate.z;
startTransform.origin.set(vec);*/
Transform startTransform = new Transform();
startTransform.setIdentity();
Matrix mat = element.getKey().getGlobalMatrix();
Vector3f vec = new Vector3f(0.0f, 0.0f, 0.0f);
vec.x = mat.m03;
vec.y = mat.m13;
vec.z = mat.m23;
// startTransform.transform(vec);
// Matrix4f mat = CollisionManager.convertMT4JMatrixToMatrix4f(mesh.get);
// startTransform.set(mat);
// startTransform.origin.set(vec);
// mat4f.m03 = mat4f.m03 + vec.x;
// mat4f.m13 = mat4f.m13 + vec.y;
// mat4f.m23 = mat4f.m23 + vec.z;
// mat4f.setTranslation(vec);
startTransform.origin.set(vec);
Vector3f scale = new Vector3f(); // get scale value of global matrix
Vector3D xVec = new Vector3D(mat.m00, mat.m01, mat.m02);
Vector3D yVec = new Vector3D(mat.m10, mat.m11, mat.m12);
Vector3D zVec = new Vector3D(mat.m20, mat.m21, mat.m22);
scale.x = xVec.length();
scale.y = yVec.length();
scale.z = zVec.length();
float[] scaleVals = new float[3];
scale.get(scaleVals);
for (int i = 0; i < 3; i++) // get rotation value by extracting scalation
{
try {
float[] colvals = mat.getRow(i);
for (int j = 0; j < 3; j++) {
colvals[j] = colvals[j] / scaleVals[i];
}
startTransform.basis.setRow(i, colvals);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// startTransform.set(mat4f);
float mass = 5f; // fake mass value only needed correctly if used with dynamic engine
shape.setLocalScaling(scale);
GImpactMeshShape sh = (GImpactMeshShape) shape;
sh.updateBound();
RigidBody body = localCreateRigidBody(mass, startTransform, shape);
// get Center Of Mass of Triangle Mesh and write it to MTTriangleMesh
Vector3f vecCOM = new Vector3f();
body.getCenterOfMassPosition(vecCOM);
Vector3D vecComMT4J = new Vector3D(vecCOM.x, vecCOM.y, vecCOM.z);
// mesh.setCenterOfMass(vecComMT4J);
// mesh.setMass(100.0f);
// add Object to Collision World
collisionWorld.addCollisionObject(body, groupId, (short) collidesWith);
colObjectToComponent.put(body, comp);
addCollisionObjectToGroup(
comp.getParent(), body); // save association between collision objects and groups
}
groupId = (short) (groupId << 1); // shift groupId so every group has a unique bit value
}
SimulatePreDrawAction calcDynamics =
new SimulatePreDrawAction(collisionWorld, this, scene.getCanvas());
calcDynamics.setCurrentTimeStep(1.f / 1000000000000.0f);
scene.registerPreDrawAction(calcDynamics);
}
public void deactivate() {
body.forceActivationState(2);
}
public boolean ghost() {
int noContact = body.getCollisionFlags() & CollisionFlags.NO_CONTACT_RESPONSE;
return noContact != 0 ? true : false;
}
public void activate() {
if (dynamics()) body.activate();
}
public Vector3f scale() {
Vector3f s = new Vector3f();
CollisionShape cs = body.getCollisionShape();
cs.getLocalScaling(s);
return s;
}
public void replaceModel(String modelName, boolean updateVisual, boolean updatePhysics) {
if (modelName.equals(modelInstance.model.meshParts.get(0).id)) return;
Model model = null;
JsonValue mOrigin = null;
JsonValue mDimNoScale = null;
for (Scene sce : Bdx.scenes) {
if (sce.models.containsKey(modelName)) {
model = sce.models.get(modelName);
mOrigin = sce.json.get("origins").get(modelName);
mDimNoScale = sce.json.get("dimensions").get(modelName);
break;
}
}
if (model == null) {
throw new RuntimeException("No model found with name: '" + modelName + "'");
}
origin = mOrigin == null ? new Vector3f() : new Vector3f(mOrigin.asFloatArray());
dimensionsNoScale =
mDimNoScale == null ? new Vector3f(1, 1, 1) : new Vector3f(mDimNoScale.asFloatArray());
Matrix4 trans = modelInstance.transform;
if (updateVisual) {
ModelInstance mi = new ModelInstance(model);
mi.transform.set(trans);
modelInstance = mi;
}
if (updatePhysics) {
GameObject compParent =
parent != null && parent.body.getCollisionShape().isCompound() ? parent : null;
boolean isCompChild =
compParent != null
&& !(currBodyType.equals("NO_COLLISION") || currBodyType.equals("SENSOR"));
if (isCompChild) {
parent(null);
}
Matrix4f transform = transform();
Vector3f scale = scale();
String boundsType = json.get("physics").get("bounds_type").asString();
float margin = json.get("physics").get("margin").asFloat();
boolean compound = json.get("physics").get("compound").asBoolean();
body.setCollisionShape(Bullet.makeShape(model.meshes.first(), boundsType, margin, compound));
if (boundsType.equals("CONVEX_HULL")) {
Transform startTransform = new Transform();
body.getMotionState().getWorldTransform(startTransform);
Matrix4f originMatrix = new Matrix4f();
originMatrix.set(origin);
Transform centerOfMassTransform = new Transform();
centerOfMassTransform.set(originMatrix);
centerOfMassTransform.mul(startTransform);
body.setCenterOfMassTransform(centerOfMassTransform);
}
transform(transform);
scale(scale);
if (body.isInWorld()) {
scene.world.updateSingleAabb(body);
} else { // update Aabb hack for when not in world
scene.world.addRigidBody(body);
scene.world.updateSingleAabb(body);
scene.world.removeRigidBody(body);
}
if (isCompChild) {
parent(compParent);
}
}
}
public float mass() {
return 1 / body.getInvMass();
}
public boolean dynamics() {
return body.isInWorld() && !body.isKinematicObject();
}