List of usage examples for com.badlogic.gdx.physics.box2d EdgeShape getVertex2
public void getVertex2(Vector2 vec)
From source file:com.blindtigergames.werescrewed.debug.SBox2DDebugRenderer.java
License:Apache License
private void drawShape(Fixture fixture, Transform transform, Color color) { if (fixture.getType() == Type.Circle) { CircleShape circle = (CircleShape) fixture.getShape(); t.set(circle.getPosition());/* w w w . j a v a2 s. c o m*/ transform.mul(t); drawSolidCircle(t, circle.getRadius(), axis.set(transform.vals[Transform.COS], transform.vals[Transform.SIN]), color); } if (fixture.getType() == Type.Edge) { EdgeShape edge = (EdgeShape) fixture.getShape(); edge.getVertex1(vertices[0]); edge.getVertex2(vertices[1]); transform.mul(vertices[0]); transform.mul(vertices[1]); drawSolidPolygon(vertices, 2, color); } if (fixture.getType() == Type.Polygon) { PolygonShape chain = (PolygonShape) fixture.getShape(); int vertexCount = chain.getVertexCount(); for (int i = 0; i < vertexCount; i++) { chain.getVertex(i, vertices[i]); transform.mul(vertices[i]); } drawSolidPolygon(vertices, vertexCount, color); } if (fixture.getType() == Type.Chain) { ChainShape chain = (ChainShape) fixture.getShape(); int vertexCount = chain.getVertexCount(); for (int i = 0; i < vertexCount; i++) { chain.getVertex(i, vertices[i]); transform.mul(vertices[i]); } drawSolidPolygon(vertices, vertexCount, color); } }
From source file:com.me.mygdxgame.Entities.MydebugRenderer.java
License:Apache License
private void drawShape(Fixture fixture, Transform transform, Color color) { if (fixture.getType() == Type.Circle) { CircleShape circle = (CircleShape) fixture.getShape(); t.set(circle.getPosition());//from w w w .ja v a 2 s . c o m transform.mul(t); t.x = t.x * 29f; t.y = t.y * 29f; drawSolidCircle(t, circle.getRadius() * 29f, axis.set(transform.vals[Transform.COS], transform.vals[Transform.SIN]), color); return; } if (fixture.getType() == Type.Edge) { EdgeShape edge = (EdgeShape) fixture.getShape(); edge.getVertex1(vertices[0]); edge.getVertex2(vertices[1]); transform.mul(vertices[0]); transform.mul(vertices[1]); drawSolidPolygon(vertices, 2, color, true); return; } if (fixture.getType() == Type.Polygon) { PolygonShape chain = (PolygonShape) fixture.getShape(); int vertexCount = chain.getVertexCount(); for (int i = 0; i < vertexCount; i++) { chain.getVertex(i, vertices[i]); transform.mul(vertices[i]); vertices[i].x = vertices[i].x * 29f; vertices[i].y = vertices[i].y * 29f; } drawSolidPolygon(vertices, vertexCount, color, true); return; } if (fixture.getType() == Type.Chain) { ChainShape chain = (ChainShape) fixture.getShape(); int vertexCount = chain.getVertexCount(); for (int i = 0; i < vertexCount; i++) { chain.getVertex(i, vertices[i]); transform.mul(vertices[i]); } drawSolidPolygon(vertices, vertexCount, color, false); } }
From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java
License:Apache License
/** @param shape the Shape which vertices to get (for circles, the bounding box vertices will be returned) * @return the vertices of the given Shape*/ private static Vector2[] vertices0(Shape shape) { Vector2[] vertices;//from ww w . j av a 2s. c o m switch (shape.getType()) { case Polygon: PolygonShape polygonShape = (PolygonShape) shape; vertices = new Vector2[polygonShape.getVertexCount()]; for (int i = 0; i < vertices.length; i++) { vertices[i] = new Vector2(); polygonShape.getVertex(i, vertices[i]); } break; case Edge: EdgeShape edgeShape = (EdgeShape) shape; edgeShape.getVertex1(vec2_0); edgeShape.getVertex2(vec2_1); vertices = new Vector2[] { new Vector2(vec2_0), new Vector2(vec2_1) }; break; case Chain: ChainShape chainShape = (ChainShape) shape; vertices = new Vector2[chainShape.getVertexCount()]; for (int i = 0; i < vertices.length; i++) { vertices[i] = new Vector2(); chainShape.getVertex(i, vertices[i]); } break; case Circle: CircleShape circleShape = (CircleShape) shape; Vector2 position = circleShape.getPosition(); float radius = circleShape.getRadius(); vertices = new Vector2[4]; vertices[0] = new Vector2(position.x - radius, position.y + radius); // top left vertices[1] = new Vector2(position.x - radius, position.y - radius); // bottom left vertices[2] = new Vector2(position.x + radius, position.y - radius); // bottom right vertices[3] = new Vector2(position.x + radius, position.y + radius); // top right break; default: throw new IllegalArgumentException( "shapes of the type '" + shape.getType().name() + "' are not supported"); } return vertices; }
From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java
License:Apache License
/** splits the given Shape using the segment described by the two given Vector2s * @param shape the Shape to split//from www .ja v a 2 s . c om * @param a the first point of the segment * @param b the second point of the segment * @param store the {@link Pair} to store the split Shapes in * @return if the given shape was split */ @SuppressWarnings("unchecked") public static <T extends Shape> boolean split(T shape, Vector2 a, Vector2 b, Pair<T, T> store) { Type type = shape.getType(); if (type == Type.Circle) throw new IllegalArgumentException("shapes of the type " + Type.Circle + " cannot be split since Box2D does not support curved shapes other than circles: " + shape); if (type == Type.Edge) { Vector2 vertex1 = Pools.obtain(Vector2.class), vertex2 = Pools.obtain(Vector2.class), intersection = Pools.obtain(Vector2.class); EdgeShape es = (EdgeShape) shape; es.getVertex1(vertex1); es.getVertex2(vertex2); if (!Intersector.intersectSegments(a, b, vertex1, vertex2, intersection)) { Pools.free(vertex1); Pools.free(vertex2); Pools.free(intersection); return false; } EdgeShape sa = new EdgeShape(), sb = new EdgeShape(); sa.set(vertex1, intersection); sb.set(intersection, vertex2); store.set((T) sa, (T) sb); Pools.free(vertex1); Pools.free(vertex2); Pools.free(intersection); return true; } store.clear(); Vector2 vertices[] = vertices(shape), aa = Pools.obtain(Vector2.class).set(a), bb = Pools.obtain(Vector2.class).set(b); Array<Vector2> aVertices = Pools.obtain(Array.class), bVertices = Pools.obtain(Array.class); aVertices.clear(); bVertices.clear(); if (type == Type.Polygon) { aVertices.add(aa); aVertices.add(bb); GeometryUtils.arrangeClockwise(aVertices); if (GeometryUtils.intersectSegments(a, b, GeometryUtils.toFloatArray(vertices), aVertices.first(), aVertices.peek()) < 2) { Pools.free(aa); Pools.free(bb); Pools.free(aVertices); Pools.free(bVertices); return false; } bVertices.add(aa); bVertices.add(bb); for (Vector2 vertice : vertices) { float det = MathUtils.det(aa.x, aa.y, vertice.x, vertice.y, bb.x, bb.y); if (det < 0) aVertices.add(vertice); else if (det > 0) bVertices.add(vertice); else { aVertices.add(vertice); bVertices.add(vertice); } } GeometryUtils.arrangeClockwise(aVertices); GeometryUtils.arrangeClockwise(bVertices); Vector2[] aVerticesArray = aVertices.toArray(Vector2.class), bVerticesArray = bVertices.toArray(Vector2.class); if (checkPreconditions) { if (aVertices.size >= 3 && aVertices.size <= maxPolygonVertices && bVertices.size >= 3 && bVertices.size <= maxPolygonVertices) { float[] aVerticesFloatArray = GeometryUtils.toFloatArray(aVerticesArray), bVerticesFloatArray = GeometryUtils.toFloatArray(bVerticesArray); if (GeometryUtils.area(aVerticesFloatArray) > minExclusivePolygonArea && GeometryUtils.area(bVerticesFloatArray) > minExclusivePolygonArea) { PolygonShape sa = new PolygonShape(), sb = new PolygonShape(); sa.set(aVerticesFloatArray); sb.set(bVerticesFloatArray); store.set((T) sa, (T) sb); } } } else { PolygonShape sa = new PolygonShape(), sb = new PolygonShape(); sa.set(aVerticesArray); sb.set(bVerticesArray); store.set((T) sa, (T) sb); } } else if (type == Type.Chain) { Vector2 tmp = Pools.obtain(Vector2.class); boolean intersected = false; for (int i = 0; i < vertices.length; i++) { if (!intersected) aVertices.add(vertices[i]); else bVertices.add(vertices[i]); if (!intersected && i + 1 < vertices.length && Intersector.intersectSegments(vertices[i], vertices[i + 1], aa, bb, tmp)) { intersected = true; aVertices.add(tmp); bVertices.add(tmp); } } if (intersected) if (!checkPreconditions || aVertices.size >= 3 && bVertices.size >= 3) { ChainShape sa = new ChainShape(), sb = new ChainShape(); sa.createChain((Vector2[]) aVertices.toArray(Vector2.class)); sb.createChain((Vector2[]) bVertices.toArray(Vector2.class)); store.set((T) sa, (T) sb); } Pools.free(tmp); } Pools.free(aa); Pools.free(bb); Pools.free(aVertices); Pools.free(bVertices); return store.isFull(); }
From source file:net.dermetfan.utils.libgdx.box2d.Box2DUtils.java
License:Apache License
/** {@link #vertices(Shape)} without caching */ private static Vector2[] vertices0(Shape shape, Vector2[] output) { switch (shape.getType()) { case Polygon: PolygonShape polygonShape = (PolygonShape) shape; if (output == null || output.length != polygonShape.getVertexCount()) output = new Vector2[polygonShape.getVertexCount()]; for (int i = 0; i < output.length; i++) { if (output[i] == null) output[i] = new Vector2(); polygonShape.getVertex(i, output[i]); }/*from w w w . j a v a 2s . c o m*/ break; case Edge: EdgeShape edgeShape = (EdgeShape) shape; edgeShape.getVertex1(vec2_0); edgeShape.getVertex2(vec2_1); if (output == null || output.length != 2) output = new Vector2[] { vec2_0, vec2_1 }; else { if (output[0] == null) output[0] = new Vector2(vec2_0); else output[0].set(vec2_0); if (output[1] == null) output[1] = new Vector2(vec2_1); else output[1].set(vec2_1); } break; case Chain: ChainShape chainShape = (ChainShape) shape; if (output == null || output.length != chainShape.getVertexCount()) output = new Vector2[chainShape.getVertexCount()]; for (int i = 0; i < output.length; i++) { if (output[i] == null) output[i] = new Vector2(); chainShape.getVertex(i, output[i]); } break; case Circle: CircleShape circleShape = (CircleShape) shape; if (output == null || output.length != 4) output = new Vector2[4]; vec2_0.set(circleShape.getPosition().x - circleShape.getRadius(), circleShape.getPosition().y + circleShape.getRadius()); // top left output[0] = output[0] != null ? output[0].set(vec2_0) : new Vector2(vec2_0); vec2_0.set(circleShape.getPosition().x - circleShape.getRadius(), circleShape.getPosition().y - circleShape.getRadius()); // bottom left output[1] = output[1] != null ? output[1].set(vec2_0) : new Vector2(vec2_0); vec2_0.set(circleShape.getPosition().x + circleShape.getRadius(), circleShape.getPosition().y - circleShape.getRadius()); // bottom right output[2] = output[2] != null ? output[2].set(vec2_0) : new Vector2(vec2_0); vec2_0.set(circleShape.getPosition().x + circleShape.getRadius(), circleShape.getPosition().y + circleShape.getRadius()); // top right output[3] = output[3] != null ? output[3].set(vec2_0) : new Vector2(vec2_0); break; default: throw new IllegalArgumentException( "Shapes of the type '" + shape.getType().name() + "' are not supported"); } return output; }
From source file:org.box2d.r3.gdx.GDXBox2DDebugRenderer.java
License:Apache License
private void drawShape(final Fixture fixture, final Transform transform, final Color color) { if (fixture.getType() == Type.Circle) { final CircleShape circle = (CircleShape) fixture.getShape(); t.set(circle.getPosition());//from w w w . jav a 2 s . c om transform.mul(t); this.drawSolidCircle(t, circle.getRadius(), axis.set(transform.vals[Transform.COS], transform.vals[Transform.SIN]), color); return; } if (fixture.getType() == Type.Edge) { final EdgeShape edge = (EdgeShape) fixture.getShape(); edge.getVertex1(vertices[0]); edge.getVertex2(vertices[1]); transform.mul(vertices[0]); transform.mul(vertices[1]); this.drawSolidPolygon(vertices, 2, color, true); return; } if (fixture.getType() == Type.Polygon) { final PolygonShape chain = (PolygonShape) fixture.getShape(); final int vertexCount = chain.getVertexCount(); for (int i = 0; i < vertexCount; i++) { chain.getVertex(i, vertices[i]); transform.mul(vertices[i]); } this.drawSolidPolygon(vertices, vertexCount, color, true); return; } if (fixture.getType() == Type.Chain) { final ChainShape chain = (ChainShape) fixture.getShape(); final int vertexCount = chain.getVertexCount(); for (int i = 0; i < vertexCount; i++) { chain.getVertex(i, vertices[i]); transform.mul(vertices[i]); } this.drawSolidPolygon(vertices, vertexCount, color, false); } }