//-----------------------------------------------
void ttChar::controlRope() {
if (!joints.empty() && rects.size()>20) {
if (ofGetElapsedTimeMillis()-startTime>50) {
world.getWorld()->DestroyJoint(joints.front());
world.getWorld()->DestroyBody(rects[1].body);
joints.erase(joints.begin());
rects.erase(rects.begin()+1);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[0].body, rects[1].body, rects[0].body->GetWorldCenter());
b2Vec2 p = screenPtToWorldPt(ofPoint(0,0));
revoluteJointDef.localAnchorA.Set(p.x, p.y);
p = screenPtToWorldPt(ofPoint(-9,0));
revoluteJointDef.localAnchorB.Set(p.x, p.y);
revoluteJointDef.enableLimit = true;
revoluteJointDef.lowerAngle = -PI/3;
revoluteJointDef.upperAngle = PI/3;
joints.front() = (b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef);
startTime = ofGetElapsedTimeMillis();
}
}
else
{
rects.back().setDensity(30.0);
}
}
//--------------------------------------------------------
void ttRope::destroy(){
for(int i =0; i<m_num; i++){
if (joints.size()>1)
{
world.world->DestroyJoint(joints.front());
world.world->DestroyBody(rects[1].body);
joints.erase(joints.begin());
rects.erase(rects.begin()+1);
ofPoint pos = rects.front().getPosition();
rects.front().setPosition(pos.x, pos.y-20);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[0].body, rects[1].body, rects[0].body->GetWorldCenter());
b2Vec2 p = screenPtToWorldPt(ofPoint(0,9));
revoluteJointDef.localAnchorA.Set(p.x, p.y);
revoluteJointDef.localAnchorB.Set(p.x, -p.y);
joints.front() = (b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef);
}
else if(joints.size()==1)
{
world.world->DestroyJoint(joints.back());
world.world->DestroyBody(rects.back().body);
joints.clear();
rects.clear();
}
}
m_preNum = m_num;
}
//----------------------------------------
void ofxBox2dEdge::create(b2World * b2dworld) {
bFlagShapeUpdate = false;
if(size() < 2) {
printf("need at least 3 points\n");
return;
}
if (body != NULL) {
b2dworld->DestroyBody(body);
body = NULL;
}
// create the body from the world (1)
b2BodyDef bd;
bd.type = density <= 0.0 ? b2_staticBody : b2_dynamicBody;
body = b2dworld->CreateBody(&bd);
vector<ofPoint>&pts = ofPolyline::getVertices();
for(int i=1; i<(int)size(); i++) {
b2EdgeShape edge;
edge.Set(screenPtToWorldPt(pts[i-1]), screenPtToWorldPt(pts[i]));
body->CreateFixture(&edge, density);
}
mesh.clear();
mesh.setUsage(body->GetType()==b2_staticBody?GL_STATIC_DRAW:GL_DYNAMIC_DRAW);
mesh.setMode(OF_PRIMITIVE_LINE_STRIP);
for(int i=0; i<(int)size(); i++) {
mesh.addVertex(ofVec3f(pts[i].x, pts[i].y));
}
// Temporary hack to ensure it's flagged as changed, until we
// switch to OF 0.8.0.
setClosed(isClosed());
alive = true;
}
void Ski::create(b2World * b2dworld, float x, float y, float w, float h) {
b2Vec2 center = screenPtToWorldPt(ofVec2f(x,y));
skiWidth = w;
skiHeight = h;
start = false;
takeoff = false;
blow = false;
wind = 0;
// Define the body and make it from the shape
b2BodyDef bd;
bd.type = b2_dynamicBody;
bd.position.Set(center.x, center.y);
b2Body* body = b2dworld->CreateBody(&bd);
// Define a polygon (this is what we use for a rectangle)
b2PolygonShape ps;
ps.SetAsBox(b2dNum(w/2), b2dNum(h/2));
// Define a fixture
b2FixtureDef fd;
fd.shape = &ps;
// Parameters that affect physics
fd.density = 20;
fd.friction = 0.001;
fd.restitution = 0;
// attach fixture to body
body->CreateFixture(&fd);
// Give it some initial random velocity
//body.setLinearVelocity(new Vec2(100,0));
body->SetAngularVelocity(0);
bodies.push_back(body);
b2Vec2 frontPos = center;
frontPos.x += b2dNum(skiWidth/2);
createWheel(b2dworld, frontPos, skiHeight/2);
b2Vec2 backPos = center;
backPos.x -= b2dNum(skiWidth/2);
createWheel(b2dworld, backPos, skiHeight/2);
createJoint(b2dworld, bodies.at(0), bodies.at(1));
createJoint(b2dworld, bodies.at(0), bodies.at(2));
}
//-----------------------------------------------
void ttChar::controlRope(){
if (rects.empty()) {
return;
}
int size = (fabs(rects[0].getPosition().y - getPos.y)-100)/28+2;
if (size>15) {
size = 15;
}
if (!joints.empty() && rects.size()>size) {
int counter = 0;
for (int i = 0 ; i<rects.size(); i++) {
if (rects[i].body->GetType() == 0) {
counter ++;
}
}
if (ofGetElapsedTimeMillis()-startTime>30) {
world.getWorld()->DestroyJoint(joints.front());
world.getWorld()->DestroyBody(rects[1].body);
joints.erase(joints.begin());
rects.erase(rects.begin()+1);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[0].body, rects[1].body, rects[0].body->GetWorldCenter());
b2Vec2 p = screenPtToWorldPt(ofPoint(0,0));
revoluteJointDef.localAnchorA.Set(p.x, p.y);
p = screenPtToWorldPt(ofPoint(-14,0));
revoluteJointDef.localAnchorB.Set(p.x, p.y);
// revoluteJointDef.enableLimit = true;
// revoluteJointDef.lowerAngle = -PI/3;
// revoluteJointDef.upperAngle = PI/3;
joints.front() = (b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef);
if (counter>1) {
startTime = ofGetElapsedTimeMillis();
}
}
}
// b2PolygonShape shape;
// b2Vec2 v2;
// if (charNum == 0) {
//
// v2.Set(b2dNum(0), b2dNum(-30));
//
// }
// else
// {
//
// v2.Set(b2dNum(0), b2dNum(30));
// }
//
// shape.SetAsBox(b2dNum(15), b2dNum(30),v2, 0);
// b2FixtureDef fixture;
// fixture.shape = &shape;
// rects.back().body->CreateFixture(&fixture);
}
//-----------------------------------------------
void ttChar::copyRope(vector<ofxBox2dRect> Rects, vector<b2RevoluteJoint *> Joints, ofPoint screen){
float rectOff = 14;
for (int i=0; i<Joints.size(); i++) {
if (joints.empty()) {
ofxBox2dRect rect;
ofPoint pos;
pos = Rects[i].getPosition() - screen;
rect.setPhysics(Rects[i].density, Rects[i].bounce, Rects[i].friction);
rect.setup(world.getWorld(), pos.x,pos.y, Rects[i].getWidth(), Rects[i].getHeight());
rect.body->GetFixtureList()->SetSensor(true);
rect.body->SetType(Rects[i].body->GetType());
rect.setVelocity(Rects[i].getVelocity());
// rect.setAngle(Rects[i].body->GetAngle()*DEG_TO_RAD);
rects.push_back(rect);
pos = Rects[i+1].getPosition() - screen;
rect.setPhysics(Rects[i+1].density, Rects[i+1].bounce, Rects[i+1].friction);
rect.setup(world.getWorld(), pos.x,pos.y, Rects[i+1].getWidth(), Rects[i+1].getHeight());
rect.body->GetFixtureList()->SetSensor(true);
rect.body->SetType(Rects[i+1].body->GetType());
rect.setVelocity(Rects[i+1].getVelocity());
// rect.setAngle(Rects[i+1].getRotation()*DEG_TO_RAD);
// rect.body->SetAngularDamping(b2dNum(0.9f));
rects.push_back(rect);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[i].body, rects[i+1].body, rects[0].body->GetWorldCenter());
b2Vec2 p = screenPtToWorldPt(ofPoint(0,0));
revoluteJointDef.localAnchorA.Set(p.x, p.y);
p = screenPtToWorldPt(ofPoint(-rectOff,0));
revoluteJointDef.localAnchorB.Set(p.x, p.y);
joints.push_back((b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef));
}else if(i<Joints.size()-1){
ofxBox2dRect rect;
ofPoint pos;
pos = Rects[i+1].getPosition() - screen;
rect.setPhysics(Rects[i+1].density, Rects[i+1].bounce, Rects[i+1].friction);
rect.setup(world.getWorld(), pos.x,pos.y, Rects[i+1].getWidth(), Rects[i+1].getHeight());
rect.body->GetFixtureList()->SetSensor(true);
rect.body->SetType(Rects[i+1].body->GetType());
rect.setVelocity(Rects[i+1].getVelocity());
// rect.setAngle(Rects[i+1].getRotation()*DEG_TO_RAD);
rects.push_back(rect);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[i].body, rects[i+1].body, rects[0].body->GetWorldCenter());
b2Vec2 p = screenPtToWorldPt(ofPoint(rectOff,0));
revoluteJointDef.localAnchorA.Set(p.x, p.y);
p = screenPtToWorldPt(ofPoint(-rectOff,0));
revoluteJointDef.localAnchorB.Set(p.x, p.y);
joints.push_back((b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef));
}else{
ofxBox2dRect rect;
ofPoint pos;
pos = Rects[i+1].getPosition() - screen;
rect.setPhysics(Rects[i+1].density, Rects[i+1].bounce, Rects[i+1].friction);
rect.setup(world.getWorld(), pos.x,pos.y, Rects[i+1].getWidth(), Rects[i+1].getHeight());
rect.body->GetFixtureList()->SetSensor(true);
rect.body->SetType(Rects[i+1].body->GetType());
rect.setVelocity(Rects[i+1].getVelocity());
// rect.setAngle(Rects[i+1].getRotation()*DEG_TO_RAD);
rects.push_back(rect);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[i].body, rects[i+1].body, rects[0].body->GetWorldCenter());
b2Vec2 p = screenPtToWorldPt(ofPoint(rectOff,0));
revoluteJointDef.localAnchorA.Set(p.x, p.y);
p = screenPtToWorldPt(ofPoint(0,0));
revoluteJointDef.localAnchorB.Set(p.x, p.y);
joints.push_back((b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef));
}
}
// b2RevoluteJointDef revoluteJointDef;
// revoluteJointDef.Initialize(rects.back().body, character.body, rects.back().body->GetWorldCenter());
// b2Vec2 p = screenPtToWorldPt(ofPoint(0,0));
// revoluteJointDef.localAnchorA.Set(p.x, p.y);
// p = screenPtToWorldPt(ofPoint(15,0));
// revoluteJointDef.localAnchorB.Set(p.x, p.y);
// joints.push_back((b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef));
}
//----------------------------------------
void ofxBox2dPolygon::create(b2World * b2dworld) {
if(size() < 3) {
printf("need at least 3 points\n");
return;
}
if (body != NULL) {
b2dworld->DestroyBody(body);
body = NULL;
}
// create the body from the world (1)
b2BodyDef bd;
bd.type = density <= 0.0 ? b2_staticBody : b2_dynamicBody;
body = b2dworld->CreateBody(&bd);
if(bIsTriangulated) {
b2PolygonShape shape;
b2FixtureDef fixture;
b2Vec2 verts[3];
ofVec2f a, b, c;
for (int i=0; i<triangles.size(); i++) {
a = triangles[i].a;
b = triangles[i].b;
c = triangles[i].c;
verts[0].Set(a.x/OFX_BOX2D_SCALE, a.y/OFX_BOX2D_SCALE);
verts[1].Set(b.x/OFX_BOX2D_SCALE, b.y/OFX_BOX2D_SCALE);
verts[2].Set(c.x/OFX_BOX2D_SCALE, c.y/OFX_BOX2D_SCALE);
shape.Set(verts, 3);
fixture.density = density;
fixture.restitution = bounce;
fixture.friction = friction;
fixture.shape = &shape;
body->CreateFixture(&fixture);
}
}
else {
if(bSetAsEdge) {
for (int i=1; i<size(); i++) {
b2EdgeShape shape;
b2Vec2 a = screenPtToWorldPt(getVertices()[i-1]);
b2Vec2 b = screenPtToWorldPt(getVertices()[i]);
shape.Set(a, b);
fixture.shape = &shape;
fixture.density = density;
fixture.restitution = bounce;
fixture.friction = friction;
body->CreateFixture(&fixture);
}
}
else {
vector<b2Vec2>verts;
verts.assign(size()-1, b2Vec2());
for (int i=0; i<size(); i++) {
ofVec2f p = getVertices()[i] / OFX_BOX2D_SCALE;
verts[i] = b2Vec2(p.x, p.y);
}
b2PolygonShape shape;
shape.Set(&verts[0], size()-1);
fixture.shape = &shape;
fixture.density = density;
fixture.restitution = bounce;
fixture.friction = friction;
body->CreateFixture(&fixture);
}
}
// update the area and centroid
updateShape();
}
//----------------------------------------------
void ttChar::setup(ofxBox2d &characterWorld,
ttControl &ctrl_A,
ttControl &ctrl_B,
ofPoint SetPos,
int iCharNum){
world = characterWorld;
control_A = &ctrl_A;
control_B = &ctrl_B;
setWidth = 15;
setHeight = 30;
step = 0;
bFixedMove = false;
setPos = SetPos;
getPos = SetPos;
charNum = iCharNum;
bSwing = false;
if(charNum ==1)mirrorLeft = false;
if(charNum ==0)mirrorLeft = true;
bDead = false;
deadStep = 2;
hold_Num = 0;
color.set(255, 255, 255, 255);
character.setPhysics(40.f, 0.0f, 0.95f);
character.setup(world.getWorld(), setPos.x, setPos.y, setWidth, setHeight);
character.body->SetFixedRotation(true);
character.body->SetLinearDamping(b2dNum(0.95));
numFootContacts = 0;
adjustedHeight = 85;
ofDirectory dir;
int nFiles;
b2Vec2 v2;
if (charNum == 0) {
nFiles = dir.listDir("sprites/girl");
v2 = screenPtToWorldPt(ofPoint(0,-30));
}
else
{
nFiles = dir.listDir("sprites/boy");
v2 = screenPtToWorldPt(ofPoint(0,30));
}
if (nFiles) {
for (int i= 0; i<dir.numFiles(); i++) {
string filePath = dir.getPath(i);
sprite.push_back(ofImage());
sprite.back().loadImage(filePath);
}
}
b2PolygonShape shape;
shape.SetAsBox(b2dNum(10), b2dNum(10), v2, b2dNum(0));
b2FixtureDef fixture;
fixture.isSensor = true;
fixture.shape = &shape;
b2Fixture* footSensorFixture = character.body->CreateFixture(&fixture);
footSensorFixture->SetUserData(new ttSetData());
ttSetData * sd = (ttSetData*)footSensorFixture->GetUserData();
sd->name = "footSenser";
}
//----------------------------------------
void ofxBox2dPolygon::create(b2World * b2dworld) {
if(size() <= 3) {
ofLog(OF_LOG_NOTICE, "need at least 3 points: %i\n", (int)size());
return;
}
if (body != NULL) {
b2dworld->DestroyBody(body);
body = NULL;
}
// create the body from the world (1)
b2BodyDef bd;
bd.type = density <= 0.0 ? b2_staticBody : b2_dynamicBody;
body = b2dworld->CreateBody(&bd);
if(bIsTriangulated) {
b2PolygonShape shape;
b2FixtureDef fixture;
b2Vec2 verts[3];
ofVec2f a, b, c;
for (int i=0; i<triangles.size(); i++) {
a = triangles[i].a;
b = triangles[i].b;
c = triangles[i].c;
verts[0].Set(a.x/OFX_BOX2D_SCALE, a.y/OFX_BOX2D_SCALE);
verts[1].Set(b.x/OFX_BOX2D_SCALE, b.y/OFX_BOX2D_SCALE);
verts[2].Set(c.x/OFX_BOX2D_SCALE, c.y/OFX_BOX2D_SCALE);
shape.Set(verts, 3);
fixture.density = density;
fixture.restitution = bounce;
fixture.friction = friction;
fixture.shape = &shape;
body->CreateFixture(&fixture);
}
}
else {
makeConvexPoly();
vector<ofPoint> pts = ofPolyline::getVertices();
vector<b2Vec2>verts;
for (int i=0; i<MIN((int)pts.size(), b2_maxPolygonVertices); i++) {
verts.push_back(screenPtToWorldPt(pts[i]));
}
b2PolygonShape shape;
shape.Set(&verts[0], verts.size()-1);
fixture.shape = &shape;
fixture.density = density;
fixture.restitution = bounce;
fixture.friction = friction;
body->CreateFixture(&fixture);
}
vector<ofPoint> pts = ofPolyline::getVertices();
mesh.clear();
ofPath path;
ofPoint center = getCentroid2D();
for (int i=0; i<pts.size(); i++) {
ofPoint p(pts[i].x, pts[i].y);
p -= center;
path.lineTo(p);
}
mesh = path.getTessellation();
mesh.setUsage(GL_STATIC_DRAW);
flagHasChanged();
alive = true;
}
//--------------------------------------------------------
void ttRope::initialize(ofPoint pos){
for(int i =0; i<m_num; i++){
if (joints.empty()) {
ofxBox2dRect rect;
rect.setup(world.getWorld(), pos.x, pos.y, 1,1);
rect.body->GetFixtureList()->SetSensor(true);
rects.push_back(rect);
rect.setPhysics(0.03f, 0.0f, 0.0f);
rect.setup(world.world, rects[0].getPosition().x+9, rects[0].getPosition().y, 15, 2);
rect.body->GetFixtureList()->SetSensor(true);
rects.push_back(rect);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[0].body, rects.back().body, rects[0].body->GetWorldCenter());
b2Vec2 p = screenPtToWorldPt(ofPoint(0,0));
revoluteJointDef.localAnchorA.Set(p.x, p.y);
p = screenPtToWorldPt(ofPoint(-14,0));
revoluteJointDef.localAnchorB.Set(p.x, p.y);
revoluteJointDef.enableLimit = true;
revoluteJointDef.lowerAngle = -180*DEG_TO_RAD;
revoluteJointDef.upperAngle = 180*DEG_TO_RAD;
joints.push_back((b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef));
}else if(i<m_num-1){
ofxBox2dRect rect;
rect.setPhysics(0.03f, 0.0f, 0.0f);
rect.setup(world.world, rects.back().getPosition().x, rects.back().getPosition().y, 15, 2);
rect.body->GetFixtureList()->SetSensor(true);
rects.push_back(rect);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[rects.size()-2].body, rects.back().body, rects.back().body->GetWorldCenter());
b2Vec2 p;
if(i%2==1){
p = screenPtToWorldPt(ofPoint(14,0));
}
else{
p = screenPtToWorldPt(ofPoint(-14,0));
}
revoluteJointDef.localAnchorA.Set(p.x, p.y);
revoluteJointDef.localAnchorB.Set(p.x, p.y);
joints.push_back((b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef));
}else{
ofxBox2dRect rect;
rect.setPhysics(0.10f, 0.0f, 0.0f);
if(i%2==1){
rect.setup(world.world, rects.back().getPosition().x+9, rects.back().getPosition().y, 5, 5);
}else{
rect.setup(world.world, rects.back().getPosition().x-9, rects.back().getPosition().y, 5, 5);
}
rect.body->GetFixtureList()->SetSensor(true);
rect.body->SetFixedRotation(true);
rects.push_back(rect);
b2RevoluteJointDef revoluteJointDef;
revoluteJointDef.Initialize(rects[rects.size()-2].body, rects.back().body, rects[rects.size()-2].body->GetWorldCenter());
b2Vec2 p1;
b2Vec2 p2;
if(i%2==1){
p1 = screenPtToWorldPt(ofPoint(14,0));
p2 = screenPtToWorldPt(ofPoint(0,0));
}
else{
p1 = screenPtToWorldPt(ofPoint(-14,0));
p2 = screenPtToWorldPt(ofPoint(0,0));
}
revoluteJointDef.localAnchorA.Set(p1.x, p1.y);
revoluteJointDef.localAnchorB.Set(p2.x, p2.y);
joints.push_back((b2RevoluteJoint*)world.world->CreateJoint(&revoluteJointDef));
}
}
for (int i =0; i<rects.size(); i++) {
rects[i].body->SetType(b2_staticBody);
}
}
