private void drawJoint(Joint joint) {
Body bodyA = joint.getBodyA();
Body bodyB = joint.getBodyB();
Transform xf1 = bodyA.getTransform();
Transform xf2 = bodyB.getTransform();
Vec2 x1 = xf1.p;
Vec2 x2 = xf2.p;
Vec2 p1 = pool.popVec2();
Vec2 p2 = pool.popVec2();
joint.getAnchorA(p1);
joint.getAnchorB(p2);
color.set(0.5f, 0.8f, 0.8f);
switch (joint.getType()) {
// TODO djm write after writing joints
case DISTANCE:
m_debugDraw.drawSegment(p1, p2, color);
break;
case PULLEY:
{
PulleyJoint pulley = (PulleyJoint) joint;
Vec2 s1 = pulley.getGroundAnchorA();
Vec2 s2 = pulley.getGroundAnchorB();
m_debugDraw.drawSegment(s1, p1, color);
m_debugDraw.drawSegment(s2, p2, color);
m_debugDraw.drawSegment(s1, s2, color);
}
break;
case CONSTANT_VOLUME:
case MOUSE:
// don't draw this
break;
default:
m_debugDraw.drawSegment(x1, p1, color);
m_debugDraw.drawSegment(p1, p2, color);
m_debugDraw.drawSegment(x2, p2, color);
}
pool.pushVec2(2);
}
private void drawShape(Fixture fixture, Transform xf, Color3f color) {
switch (fixture.getType()) {
case CIRCLE:
{
CircleShape circle = (CircleShape) fixture.getShape();
// Vec2 center = Mul(xf, circle.m_p);
Transform.mulToOutUnsafe(xf, circle.m_p, center);
float radius = circle.m_radius;
xf.q.getXAxis(axis);
if (fixture.getUserData() != null && fixture.getUserData().equals(LIQUID_INT)) {
Body b = fixture.getBody();
liquidOffset.set(b.m_linearVelocity);
float linVelLength = b.m_linearVelocity.length();
if (averageLinearVel == -1) {
averageLinearVel = linVelLength;
} else {
averageLinearVel = .98f * averageLinearVel + .02f * linVelLength;
}
liquidOffset.mulLocal(liquidLength / averageLinearVel / 2);
circCenterMoved.set(center).addLocal(liquidOffset);
center.subLocal(liquidOffset);
m_debugDraw.drawSegment(center, circCenterMoved, liquidColor);
return;
}
m_debugDraw.drawSolidCircle(center, radius, axis, color);
}
break;
case POLYGON:
{
PolygonShape poly = (PolygonShape) fixture.getShape();
int vertexCount = poly.m_count;
assert (vertexCount <= Settings.maxPolygonVertices);
Vec2[] vertices = tlvertices.get(Settings.maxPolygonVertices);
for (int i = 0; i < vertexCount; ++i) {
// vertices[i] = Mul(xf, poly.m_vertices[i]);
Transform.mulToOutUnsafe(xf, poly.m_vertices[i], vertices[i]);
}
m_debugDraw.drawSolidPolygon(vertices, vertexCount, color);
}
break;
case EDGE:
{
EdgeShape edge = (EdgeShape) fixture.getShape();
Transform.mulToOutUnsafe(xf, edge.m_vertex1, v1);
Transform.mulToOutUnsafe(xf, edge.m_vertex2, v2);
m_debugDraw.drawSegment(v1, v2, color);
}
break;
case CHAIN:
{
ChainShape chain = (ChainShape) fixture.getShape();
int count = chain.m_count;
Vec2[] vertices = chain.m_vertices;
Transform.mulToOutUnsafe(xf, vertices[0], v1);
for (int i = 1; i < count; ++i) {
Transform.mulToOutUnsafe(xf, vertices[i], v2);
m_debugDraw.drawSegment(v1, v2, color);
m_debugDraw.drawCircle(v1, 0.05f, color);
v1.set(v2);
}
}
break;
default:
break;
}
}