Example usage for com.badlogic.gdx.physics.box2d Shape getRadius

Introduction

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

Prototype

public abstract float getRadius();

Source Link

Document

Returns the radius of this shape

Usage

From source file:com.indignado.games.smariano.utils.dermetfan.box2d.Box2DUtils.java

License:Apache License

/** @see #size(com.badlogic.gdx.physics.box2d.Shape) */
public static Vector2 size(Shape shape, Vector2 output) {
    if (shape.getType() == Type.Circle) // no call to #vertices(Shape) for performance
        return output.set(shape.getRadius() * 2, shape.getRadius() * 2);
    else if (shapeCache.containsKey(shape))
        return output.set(shapeCache.get(shape).width, shapeCache.get(shape).height);
    return output.set(width(shape), height(shape));
}

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From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** @return the minimal x of the vertices of the given Shape */
private static float minX0(Shape shape) {
    if (shape instanceof CircleShape)
        return ((CircleShape) shape).getPosition().x - shape.getRadius();
    return min(filterX(vertices0(shape)));
}

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From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** @return the minimal y of the vertices of the given Shape */
private static float minY0(Shape shape) {
    if (shape instanceof CircleShape)
        return ((CircleShape) shape).getPosition().y - shape.getRadius();
    return min(filterY(vertices0(shape)));
}

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From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** @return the maximal x of the vertices of the given Shape */
private static float maxX0(Shape shape) {
    if (shape instanceof CircleShape)
        return ((CircleShape) shape).getPosition().x + shape.getRadius();
    return max(filterX(vertices0(shape)));
}

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From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** @return the maximal y of the vertices of the given Shape */
private static float maxY0(Shape shape) {
    if (shape instanceof CircleShape)
        return ((CircleShape) shape).getPosition().y + shape.getRadius();
    return max(filterY(vertices0(shape)));
}

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From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** @return the width of the given Shape */
private static float width0(Shape shape) {
    if (shape.getType() == Type.Circle)
        return shape.getRadius() * 2;
    return amplitude(filterX(vertices0(shape)));
}

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From source file:com.stercore.code.net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** @return the height of the given Shape */
private static float height0(Shape shape) {
    if (shape.getType() == Type.Circle)
        return shape.getRadius() * 2;
    return amplitude(filterY(vertices0(shape)));
}

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From source file:net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** @see #size(Shape) */
public static Vector2 size(Shape shape, Vector2 output) {
    if (shape.getType() == Type.Circle) // no call to #vertices(Shape) for performance
        return output.set(shape.getRadius() * 2, shape.getRadius() * 2);
    else if (cache.containsKey(shape))
        return output.set(cache.get(shape).width, cache.get(shape).height);
    return output.set(width(shape), height(shape));
}

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From source file:net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** creates a deep copy of a {@link Shape}<br/>
 *  <strong>Note: The {@link ChainShape#setPrevVertex(float, float) previous} and {@link ChainShape#setNextVertex(float, float) next} vertex of a {@link ChainShape} will not be copied since this is not possible due to the API.</strong>
 *  @param shape the {@link Shape} to copy
 *  @return a {@link Shape} exactly like the one passed in */
public static Shape copy(Shape shape) {
    Shape copy;//from   www. j  av a 2s. com
    switch (shape.getType()) {
    case Circle:
        CircleShape circleCopy = (CircleShape) (copy = new CircleShape());
        circleCopy.setPosition(((CircleShape) shape).getPosition());
        break;
    case Polygon:
        PolygonShape polyCopy = (PolygonShape) (copy = new PolygonShape()), poly = (PolygonShape) shape;
        float[] vertices = new float[poly.getVertexCount()];
        for (int i = 0; i < vertices.length; i++) {
            poly.getVertex(i, vec2_0);
            vertices[i++] = vec2_0.x;
            vertices[i] = vec2_0.y;
        }
        polyCopy.set(vertices);
        break;
    case Edge:
        EdgeShape edgeCopy = (EdgeShape) (copy = new EdgeShape()), edge = (EdgeShape) shape;
        edge.getVertex1(vec2_0);
        edge.getVertex2(vec2_1);
        edgeCopy.set(vec2_0, vec2_1);
        break;
    case Chain:
        ChainShape chainCopy = (ChainShape) (copy = new ChainShape()), chain = (ChainShape) shape;
        vertices = new float[chain.getVertexCount()];
        for (int i = 0; i < vertices.length; i++) {
            chain.getVertex(i, vec2_0);
            vertices[i++] = vec2_0.x;
            vertices[i] = vec2_0.y;
        }
        if (chain.isLooped())
            chainCopy.createLoop(GeometryUtils.toVector2Array(vertices));
        else
            chainCopy.createChain(vertices);
        break;
    default:
        return shape;
    }
    copy.setRadius(shape.getRadius());
    return copy;
}

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