//----------------------------------------
void ofxBox2dEdge::updateShape() {
if(body==NULL) return;
const b2Transform& xf = body->GetTransform();
ofPolyline::clear();
mesh.clear();
mesh.setUsage(body->GetType()==b2_staticBody?GL_STATIC_DRAW:GL_DYNAMIC_DRAW);
mesh.setMode(OF_PRIMITIVE_LINE_STRIP);
for (b2Fixture * f = body->GetFixtureList(); f; f = f->GetNext()) {
b2EdgeShape * edge = (b2EdgeShape*)f->GetShape();
if(edge) {
ofPolyline::addVertex(worldPtToscreenPt(edge->m_vertex2));
ofPolyline::addVertex(worldPtToscreenPt(edge->m_vertex1));
mesh.addVertex(ofVec3f(worldPtToscreenPt(edge->m_vertex2)));
mesh.addVertex(ofVec3f(worldPtToscreenPt(edge->m_vertex1)));
}
}
bFlagShapeUpdate = true;
// Temporary hack to ensure it's flagged as changed, until we
// switch to OF 0.8.0.
setClosed(isClosed());
}
//----------------------------------------
vector <ofPoint>& ofxBox2dPolygon::getPoints() {
if(body == NULL) {
return ofPolyline::getVertices();
}
bool wasClosed = isClosed();
const b2Transform& xf = body->GetTransform();
ofPolyline::clear();
ofPolyline::setClosed(wasClosed);
for (b2Fixture * f = body->GetFixtureList(); f; f = f->GetNext()) {
b2PolygonShape * poly = (b2PolygonShape*)f->GetShape();
if(poly) {
for(int i=0; i<poly->GetVertexCount(); i++) {
ofPolyline::addVertex( worldPtToscreenPt(b2Mul(xf, poly->GetVertex(i))) );
}
if(isClosed()) ofPolyline::close();
}
}
return ofPolyline::getVertices();
}
//----------------------------------------------
void ttChar::drawBox2dObject(){
ofSetColor(255, 30, 220,100);
character.draw();
if (step>0) {
start.draw();
joint.draw();
}
//draw sensor
ofPolyline shape;
const b2Transform& xf = character.body->GetTransform();
for (b2Fixture* f = character.body->GetFixtureList(); f; f = f->GetNext())
{
if (f->IsSensor()) {
ofSetColor(255,30,230,100);
// ofCircle(sensor.getPosition(),f->GetShape()->m_radius*OFX_BOX2D_SCALE);
b2PolygonShape* poly = (b2PolygonShape*)f->GetShape();
if(poly) {
for(int i=0; i<poly->m_vertexCount; i++) {
b2Vec2 pt = b2Mul(xf, poly->m_vertices[i]);
shape.addVertex(worldPtToscreenPt(pt));
}
}
}
}
shape.setClosed(true);
ofPath path;
for (int i=0; i<shape.size(); i++) {
if(i==0)path.moveTo(shape[i]);
else path.lineTo(shape[i]);
}
path.setColor(ofGetStyle().color);
path.setFilled(ofGetStyle().bFill);
path.draw();
}
//------------------------------------------------
ofPolyline& ofxBox2dRect::getRectangleShape() {
if(isBody()) {
shape.clear();
const b2Transform& xf = body->GetTransform();
for (b2Fixture* f = body->GetFixtureList(); f; f = f->GetNext()) {
b2PolygonShape* poly = (b2PolygonShape*)f->GetShape();
if(poly) {
for(int i=0; i<poly->m_count; i++) {
b2Vec2 pt = b2Mul(xf, poly->m_vertices[i]);
shape.addVertex(worldPtToscreenPt(pt));
}
}
}
}
// we are a rectangle so close it
shape.setClosed(true);
return shape;
}
