CharacterPoint::CharacterPoint( Vec3f _pos, MSA::Physics::World3D * _physics, int _pID ) {
mParticleID = _pID;
mPhysic = _physics;
mParticle = NULL;
mParent = NULL;
mEndOfLine = true;
mActive = false;
mParticleControllerID = -1;
mStandBondID = -1;
savePosition = _pos;
mPosition = _pos;
mAnimPos = mPosition;
mSpacers.clear();
mChilds.clear();
mBondIDs.clear();
Physics::Particle3D* p = mPhysic->makeParticle(_pos);
p->setMass(4.0f)->setBounce(0.5f)->setRadius(5.0f)->enableCollision()->makeFree();
setParticle();
calcShellRadius();
mSuperParent = NULL;
}
void initScene() {
// clear all particles and springs etc
physics.clear();
// you can add your own particles to the physics system
physics.addParticle(&mouseNode);
mouseNode.makeFixed();
mouseNode.setMass(MIN_MASS);
mouseNode.moveTo(Vec3f(0, 0, 0));
mouseNode.setRadius(NODE_MAX_RADIUS);
// or tell the system to create and add particles
physics.makeParticle(Vec3f(-width/4, 0, -width/4), MIN_MASS)->makeFixed(); // create a node in top left back and fix
physics.makeParticle(Vec3f( width/4, 0, -width/4), MIN_MASS)->makeFixed(); // create a node in top right back and fix
physics.makeParticle(Vec3f(-width/4, 0, width/4), MIN_MASS)->makeFixed(); // create a node in top left front and fix
physics.makeParticle(Vec3f( width/4, 0, width/4), MIN_MASS)->makeFixed(); // create a node in top right front and fix
}
void addRandomParticle() {
float posX = ofRandom(-width/2, width/2);
float posY = ofRandom(0, height);
float posZ = ofRandom(-width/2, width/2);
float mass = ofRandom(MIN_MASS, MAX_MASS);
float bounce = ofRandom(MIN_BOUNCE, MAX_BOUNCE);
float radius = ofMap(mass, MIN_MASS, MAX_MASS, NODE_MIN_RADIUS, NODE_MAX_RADIUS);
// physics.makeParticle returns a particle pointer so you can customize it
Physics::Particle3D *p = physics.makeParticle(Vec3f(posX, posY, posZ));
// and set a bunch of properties (you don't have to set all of them, there are defaults)
p->setMass(mass)->setBounce(bounce)->setRadius(radius)->enableCollision()->makeFree();
// add an attraction to the mouseNode
if(mouseAttract) physics.makeAttraction(&mouseNode, p, ofRandom(MIN_ATTRACTION, MAX_ATTRACTION));
}
//--------------------------------------------------------------
void testApp::keyPressed (int key){
switch(key) {
case 'a': toggleMouseAttract(); break;
case 'p': for(int i=0; i<100; i++) addRandomParticle(); break;
case 'P': for(int i=0; i<100; i++) killRandomParticle(); break;
case 's': addRandomSpring(); break;
case 'S': killRandomSpring(); break;
case 'c': physics.isCollisionEnabled() ? physics.disableCollision() : physics.enableCollision(); break;
case 'C': killRandomConstraint(); break;
case 'r': doRender ^= true; break;
case 'f': addRandomForce(FORCE_AMOUNT); break;
case 'F': addRandomForce(FORCE_AMOUNT * 3); break;
case 'l': lockRandomParticles(); break;
case 'u': unlockRandomParticles(); break;
case ' ': initScene(); break;
case 'x': doMouseXY = true; break;
case 'z': doMouseYZ = true; break;
case ']': rotSpeed += 0.01f; break;
case '[': rotSpeed -= 0.01f; break;
case '+': mouseNode.setMass(mouseNode.getMass() +0.1); break;
case '-': mouseNode.setMass(mouseNode.getMass() -0.1); break;
case 'm': mouseNode.hasCollision() ? mouseNode.disableCollision() : mouseNode.enableCollision();
}
}