Example 6 with PolygonShape
use of com.badlogic.gdx.physics.box2d.PolygonShape in project commons-gdx by gemserk.
the class FixtureDefBuilder method boxShape.
public FixtureDefBuilder boxShape(float hx, float hy, Vector2 center, float angleInRadians) {
PolygonShape shape = new PolygonShape();
shape.setAsBox(hx, hy, center, angleInRadians);
fixtureDef.shape = shape;
return this;
}
Also used :
PolygonShape(com.badlogic.gdx.physics.box2d.PolygonShape)
Example 7 with PolygonShape
use of com.badlogic.gdx.physics.box2d.PolygonShape in project commons-gdx by gemserk.
the class FixtureDefBuilder method polygonShape.
public FixtureDefBuilder polygonShape(Vector2[] vertices) {
PolygonShape shape = new PolygonShape();
shape.set(vertices);
fixtureDef.shape = shape;
return this;
}
Also used :
PolygonShape(com.badlogic.gdx.physics.box2d.PolygonShape)
Example 8 with PolygonShape
use of com.badlogic.gdx.physics.box2d.PolygonShape in project commons-gdx by gemserk.
the class FixtureDefBuilder method boxShape.
public FixtureDefBuilder boxShape(float hx, float hy) {
PolygonShape shape = new PolygonShape();
shape.setAsBox(hx, hy);
fixtureDef.shape = shape;
return this;
}
Also used :
PolygonShape(com.badlogic.gdx.physics.box2d.PolygonShape)
Example 9 with PolygonShape
use of com.badlogic.gdx.physics.box2d.PolygonShape in project RubeLoader by tescott.
the class RubeLoaderTest method createPolySpatialsFromRubeFixtures.
/**
* Creates an array of PolySpatials based on fixture information from the scene. Note that
* fixtures create aligned textures.
*
* @param scene
*/
private void createPolySpatialsFromRubeFixtures(RubeScene scene) {
Array<Body> bodies = scene.getBodies();
EarClippingTriangulator ect = new EarClippingTriangulator();
if ((bodies != null) && (bodies.size > 0)) {
polySpatials = new Array<PolySpatial>();
Vector2 bodyPos = new Vector2();
// for each body in the scene...
for (int i = 0; i < bodies.size; i++) {
Body body = bodies.get(i);
bodyPos.set(body.getPosition());
Array<Fixture> fixtures = body.getFixtureList();
if ((fixtures != null) && (fixtures.size > 0)) {
// for each fixture on the body...
for (int j = 0; j < fixtures.size; j++) {
Fixture fixture = fixtures.get(j);
String textureName = (String) scene.getCustom(fixture, "TextureMask", null);
if (textureName != null) {
String textureFileName = "data/" + textureName;
Texture texture = textureMap.get(textureFileName);
TextureRegion textureRegion = null;
if (texture == null) {
texture = new Texture(textureFileName);
texture.setWrap(TextureWrap.Repeat, TextureWrap.Repeat);
textureMap.put(textureFileName, texture);
textureRegion = new TextureRegion(texture);
textureRegionMap.put(texture, textureRegion);
} else {
textureRegion = textureRegionMap.get(texture);
}
// only handle polygons at this point -- no chain, edge, or circle fixtures.
if (fixture.getType() == Shape.Type.Polygon) {
PolygonShape shape = (PolygonShape) fixture.getShape();
int vertexCount = shape.getVertexCount();
float[] vertices = new float[vertexCount * 2];
// static bodies are texture aligned and do not get drawn based off of the related body.
if (body.getType() == BodyType.StaticBody) {
for (int k = 0; k < vertexCount; k++) {
shape.getVertex(k, mTmp);
mTmp.rotate(body.getAngle() * MathUtils.radiansToDegrees);
// convert local coordinates to world coordinates to that textures are
mTmp.add(bodyPos);
// aligned
vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
}
short[] triangleIndices = ect.computeTriangles(vertices).toArray();
PolygonRegion region = new PolygonRegion(textureRegion, vertices, triangleIndices);
PolySpatial spatial = new PolySpatial(region, Color.WHITE);
polySpatials.add(spatial);
} else {
// all other fixtures are aligned based on their associated body.
for (int k = 0; k < vertexCount; k++) {
shape.getVertex(k, mTmp);
vertices[k * 2] = mTmp.x * PolySpatial.PIXELS_PER_METER;
vertices[k * 2 + 1] = mTmp.y * PolySpatial.PIXELS_PER_METER;
}
short[] triangleIndices = ect.computeTriangles(vertices).toArray();
PolygonRegion region = new PolygonRegion(textureRegion, vertices, triangleIndices);
PolySpatial spatial = new PolySpatial(region, body, Color.WHITE);
polySpatials.add(spatial);
}
}
}
}
}
}
}
}
Also used :
PolygonShape(com.badlogic.gdx.physics.box2d.PolygonShape)
EarClippingTriangulator(com.badlogic.gdx.math.EarClippingTriangulator)
Texture(com.badlogic.gdx.graphics.Texture)
TextureRegion(com.badlogic.gdx.graphics.g2d.TextureRegion)
Vector2(com.badlogic.gdx.math.Vector2)
Fixture(com.badlogic.gdx.physics.box2d.Fixture)
Body(com.badlogic.gdx.physics.box2d.Body)
PolygonRegion(com.badlogic.gdx.graphics.g2d.PolygonRegion)
Example 10 with PolygonShape
use of com.badlogic.gdx.physics.box2d.PolygonShape in project libgdx by libgdx.
the class ApplyForce method createWorld.
@Override
protected void createWorld(World world) {
world.setGravity(new Vector2(0, 0));
float k_restitution = 0.4f;
Body ground;
{
BodyDef bd = new BodyDef();
bd.position.set(0, 20);
ground = world.createBody(bd);
EdgeShape shape = new EdgeShape();
FixtureDef sd = new FixtureDef();
sd.shape = shape;
sd.density = 0;
sd.restitution = k_restitution;
shape.set(new Vector2(-20, -20), new Vector2(-20, 20));
ground.createFixture(sd);
shape.set(new Vector2(20, -20), new Vector2(20, 20));
ground.createFixture(sd);
shape.set(new Vector2(-20, 20), new Vector2(20, 20));
ground.createFixture(sd);
shape.set(new Vector2(-20, -20), new Vector2(20, -20));
ground.createFixture(sd);
shape.dispose();
}
{
Transform xf1 = new Transform(new Vector2(), 0.3524f * (float) Math.PI);
xf1.setPosition(xf1.mul(new Vector2(1, 0)));
Vector2[] vertices = new Vector2[3];
vertices[0] = xf1.mul(new Vector2(-1, 0));
vertices[1] = xf1.mul(new Vector2(1, 0));
vertices[2] = xf1.mul(new Vector2(0, 0.5f));
PolygonShape poly1 = new PolygonShape();
poly1.set(vertices);
FixtureDef sd1 = new FixtureDef();
sd1.shape = poly1;
sd1.density = 4.0f;
Transform xf2 = new Transform(new Vector2(), -0.3524f * (float) Math.PI);
xf2.setPosition(xf2.mul(new Vector2(-1, 0)));
vertices[0] = xf2.mul(new Vector2(-1, 0));
vertices[1] = xf2.mul(new Vector2(1, 0));
vertices[2] = xf2.mul(new Vector2(0, 0.5f));
PolygonShape poly2 = new PolygonShape();
poly2.set(vertices);
FixtureDef sd2 = new FixtureDef();
sd2.shape = poly2;
sd2.density = 2.0f;
BodyDef bd = new BodyDef();
bd.type = BodyType.DynamicBody;
bd.angularDamping = 5.0f;
bd.linearDamping = 0.1f;
bd.position.set(0, 2);
bd.angle = (float) Math.PI;
bd.allowSleep = false;
m_body = world.createBody(bd);
m_body.createFixture(sd1);
m_body.createFixture(sd2);
poly1.dispose();
poly2.dispose();
}
{
PolygonShape shape = new PolygonShape();
shape.setAsBox(0.5f, 0.5f);
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.density = 1.0f;
fd.friction = 0.3f;
for (int i = 0; i < 10; i++) {
BodyDef bd = new BodyDef();
bd.type = BodyType.DynamicBody;
bd.position.set(0, 5 + 1.54f * i);
Body body = world.createBody(bd);
body.createFixture(fd);
float gravity = 10.0f;
float I = body.getInertia();
float mass = body.getMass();
float radius = (float) Math.sqrt(2 * I / mass);
FrictionJointDef jd = new FrictionJointDef();
jd.localAnchorA.set(0, 0);
jd.localAnchorB.set(0, 0);
jd.bodyA = ground;
jd.bodyB = body;
jd.collideConnected = true;
jd.maxForce = mass * gravity;
jd.maxTorque = mass * radius * gravity;
world.createJoint(jd);
}
shape.dispose();
}
}
Also used :
EdgeShape(com.badlogic.gdx.physics.box2d.EdgeShape)
PolygonShape(com.badlogic.gdx.physics.box2d.PolygonShape)
Vector2(com.badlogic.gdx.math.Vector2)
FrictionJointDef(com.badlogic.gdx.physics.box2d.joints.FrictionJointDef)
Transform(com.badlogic.gdx.physics.box2d.Transform)
Body(com.badlogic.gdx.physics.box2d.Body)
BodyDef(com.badlogic.gdx.physics.box2d.BodyDef)
FixtureDef(com.badlogic.gdx.physics.box2d.FixtureDef)
Aggregations
PolygonShape (com.badlogic.gdx.physics.box2d.PolygonShape)19
Body (com.badlogic.gdx.physics.box2d.Body)14
BodyDef (com.badlogic.gdx.physics.box2d.BodyDef)12
Vector2 (com.badlogic.gdx.math.Vector2)10
FixtureDef (com.badlogic.gdx.physics.box2d.FixtureDef)9
CircleShape (com.badlogic.gdx.physics.box2d.CircleShape)7
EdgeShape (com.badlogic.gdx.physics.box2d.EdgeShape)7
Fixture (com.badlogic.gdx.physics.box2d.Fixture)4
Texture (com.badlogic.gdx.graphics.Texture)3
OrthographicCamera (com.badlogic.gdx.graphics.OrthographicCamera)2
SpriteBatch (com.badlogic.gdx.graphics.g2d.SpriteBatch)2
TextureRegion (com.badlogic.gdx.graphics.g2d.TextureRegion)2
Box2DDebugRenderer (com.badlogic.gdx.physics.box2d.Box2DDebugRenderer)2
ChainShape (com.badlogic.gdx.physics.box2d.ChainShape)2
World (com.badlogic.gdx.physics.box2d.World)2
InputMultiplexer (com.badlogic.gdx.InputMultiplexer)1
PolygonRegion (com.badlogic.gdx.graphics.g2d.PolygonRegion)1
PolygonSpriteBatch (com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch)1
Sprite (com.badlogic.gdx.graphics.g2d.Sprite)1
EarClippingTriangulator (com.badlogic.gdx.math.EarClippingTriangulator)1
