Example usage for com.badlogic.gdx.physics.box2d Transform getRotation

Introduction

In this page you can find the example usage for com.badlogic.gdx.physics.box2d Transform getRotation.

Prototype

public float getRotation() 

Source Link

Usage

From source file:com.blindtigergames.werescrewed.debug.SBox2DDebugRenderer.java

License:Apache License

private void drawAABB(Fixture fixture, Transform transform) {
    if (fixture.getType() == Type.Circle) {

        CircleShape shape = (CircleShape) fixture.getShape();
        float radius = shape.getRadius();
        vertices[0].set(shape.getPosition());
        vertices[0].rotate(transform.getRotation()).add(transform.getPosition());
        lower.set(vertices[0].x - radius, vertices[0].y - radius);
        upper.set(vertices[0].x + radius, vertices[0].y + radius);

        // define vertices in ccw fashion...
        vertices[0].set(lower.x, lower.y);
        vertices[1].set(upper.x, lower.y);
        vertices[2].set(upper.x, upper.y);
        vertices[3].set(lower.x, upper.y);

        drawSolidPolygon(vertices, 4, AABB_COLOR);
    } else if (fixture.getType() == Type.Polygon) {
        PolygonShape shape = (PolygonShape) fixture.getShape();
        int vertexCount = shape.getVertexCount();

        shape.getVertex(0, vertices[0]);
        lower.set(transform.mul(vertices[0]));
        upper.set(lower);/*from   w w  w. ja va  2  s. c  o  m*/
        for (int i = 1; i < vertexCount; i++) {
            shape.getVertex(i, vertices[i]);
            transform.mul(vertices[i]);
            lower.x = Math.min(lower.x, vertices[i].x);
            lower.y = Math.min(lower.y, vertices[i].y);
            upper.x = Math.max(upper.x, vertices[i].x);
            upper.y = Math.max(upper.y, vertices[i].y);
        }

        // define vertices in ccw fashion...
        vertices[0].set(lower.x, lower.y);
        vertices[1].set(upper.x, lower.y);
        vertices[2].set(upper.x, upper.y);
        vertices[3].set(lower.x, upper.y);

        drawSolidPolygon(vertices, 4, AABB_COLOR);
    }
}

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From source file:com.me.mygdxgame.Entities.MydebugRenderer.java

License:Apache License

private void drawAABB(Fixture fixture, Transform transform) {
    if (fixture.getType() == Type.Circle) {

        CircleShape shape = (CircleShape) fixture.getShape();
        float radius = shape.getRadius();
        vertices[0].set(shape.getPosition());
        vertices[0].rotate(transform.getRotation()).add(transform.getPosition());
        lower.set(vertices[0].x - radius, vertices[0].y - radius);
        upper.set(vertices[0].x + radius, vertices[0].y + radius);

        // define vertices in ccw fashion...
        vertices[0].set(lower.x, lower.y);
        vertices[1].set(upper.x, lower.y);
        vertices[2].set(upper.x, upper.y);
        vertices[3].set(lower.x, upper.y);

        drawSolidPolygon(vertices, 4, AABB_COLOR, true);
    } else if (fixture.getType() == Type.Polygon) {
        PolygonShape shape = (PolygonShape) fixture.getShape();
        int vertexCount = shape.getVertexCount();

        shape.getVertex(0, vertices[0]);
        lower.set(transform.mul(vertices[0]));
        upper.set(lower);/*from   ww  w .j  a v a2 s .  co  m*/
        for (int i = 1; i < vertexCount; i++) {
            shape.getVertex(i, vertices[i]);
            transform.mul(vertices[i]);
            lower.x = Math.min(lower.x, vertices[i].x);
            lower.y = Math.min(lower.y, vertices[i].y);
            upper.x = Math.max(upper.x, vertices[i].x);
            upper.y = Math.max(upper.y, vertices[i].y);
        }

        // define vertices in ccw fashion...
        vertices[0].set(lower.x, lower.y);
        vertices[1].set(upper.x, lower.y);
        vertices[2].set(upper.x, upper.y);
        vertices[3].set(lower.x, upper.y);

        drawSolidPolygon(vertices, 4, AABB_COLOR, true);
    }
}

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From source file:org.box2d.r3.gdx.GDXBox2DDebugRenderer.java

License:Apache License

private void drawAABB(final Fixture fixture, final Transform transform) {
    if (fixture.getType() == Type.Circle) {

        final CircleShape shape = (CircleShape) fixture.getShape();
        final float radius = shape.getRadius();
        vertices[0].set(shape.getPosition());
        vertices[0].rotate(transform.getRotation()).add(transform.getPosition());
        lower.set(vertices[0].x - radius, vertices[0].y - radius);
        upper.set(vertices[0].x + radius, vertices[0].y + radius);

        // define vertices in ccw fashion...
        vertices[0].set(lower.x, lower.y);
        vertices[1].set(upper.x, lower.y);
        vertices[2].set(upper.x, upper.y);
        vertices[3].set(lower.x, upper.y);

        this.drawSolidPolygon(vertices, 4, this.AABB_COLOR, true);
    } else if (fixture.getType() == Type.Polygon) {
        final PolygonShape shape = (PolygonShape) fixture.getShape();
        final int vertexCount = shape.getVertexCount();

        shape.getVertex(0, vertices[0]);
        lower.set(transform.mul(vertices[0]));
        upper.set(lower);/*from w ww. ja va2s.c  o  m*/
        for (int i = 1; i < vertexCount; i++) {
            shape.getVertex(i, vertices[i]);
            transform.mul(vertices[i]);
            lower.x = Math.min(lower.x, vertices[i].x);
            lower.y = Math.min(lower.y, vertices[i].y);
            upper.x = Math.max(upper.x, vertices[i].x);
            upper.y = Math.max(upper.y, vertices[i].y);
        }

        // define vertices in ccw fashion...
        vertices[0].set(lower.x, lower.y);
        vertices[1].set(upper.x, lower.y);
        vertices[2].set(upper.x, upper.y);
        vertices[3].set(lower.x, upper.y);

        this.drawSolidPolygon(vertices, 4, this.AABB_COLOR, true);
    }
}

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From source file:org.catrobat.catroid.physics.PhysicsObject.java

License:Open Source License

private void calculateAabb(Fixture fixture, Transform transform) {
    fixtureAabbLowerLeft = new Vector2(Integer.MAX_VALUE, Integer.MAX_VALUE);
    fixtureAabbUpperRight = new Vector2(Integer.MIN_VALUE, Integer.MIN_VALUE);
    if (fixture.getType() == Shape.Type.Circle) {
        CircleShape shape = (CircleShape) fixture.getShape();
        float radius = shape.getRadius();
        tmpVertice.set(shape.getPosition());
        tmpVertice.rotate(transform.getRotation()).add(transform.getPosition());
        fixtureAabbLowerLeft.set(tmpVertice.x - radius, tmpVertice.y - radius);
        fixtureAabbUpperRight.set(tmpVertice.x + radius, tmpVertice.y + radius);
    } else if (fixture.getType() == Shape.Type.Polygon) {
        PolygonShape shape = (PolygonShape) fixture.getShape();
        int vertexCount = shape.getVertexCount();

        shape.getVertex(0, tmpVertice);//from w w  w  .  j  a v  a  2s .  co  m
        fixtureAabbLowerLeft.set(transform.mul(tmpVertice));
        fixtureAabbUpperRight.set(fixtureAabbLowerLeft);
        for (int i = 1; i < vertexCount; i++) {
            shape.getVertex(i, tmpVertice);
            transform.mul(tmpVertice);
            fixtureAabbLowerLeft.x = Math.min(fixtureAabbLowerLeft.x, tmpVertice.x);
            fixtureAabbLowerLeft.y = Math.min(fixtureAabbLowerLeft.y, tmpVertice.y);
            fixtureAabbUpperRight.x = Math.max(fixtureAabbUpperRight.x, tmpVertice.x);
            fixtureAabbUpperRight.y = Math.max(fixtureAabbUpperRight.y, tmpVertice.y);
        }
    }

    bodyAabbLowerLeft.x = Math.min(fixtureAabbLowerLeft.x, bodyAabbLowerLeft.x);
    bodyAabbLowerLeft.y = Math.min(fixtureAabbLowerLeft.y, bodyAabbLowerLeft.y);
    bodyAabbUpperRight.x = Math.max(fixtureAabbUpperRight.x, bodyAabbUpperRight.x);
    bodyAabbUpperRight.y = Math.max(fixtureAabbUpperRight.y, bodyAabbUpperRight.y);
}

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