Android Open Source - Verlet Pin Constraint

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Back to project page Verlet.

License

The source code is released under:

Copyright 2013 Devicement http://devicement.com/ Copyright 2013 Sub Protocol and other contributors http://subprotocol.com/ Permission is hereby granted, free of charge, to any person obtaining a co...

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Java Source Code

package org.verletandroid.VerletCore.Contraints;
/*from w  w  w  .  j ava  2s.c  om*/
import android.graphics.Color;
import android.graphics.Paint;
import org.verletandroid.Graphics.IGraphics;
import org.verletandroid.VerletCore.IEntity;
import org.verletandroid.VerletCore.Vec2;

/**
 * Created with IntelliJ IDEA.
 * User: George
 * Date: 28.04.13
 * Time: 22:54
 * To change this template use File | Settings | File Templates.
 */
public class PinConstraint implements IConstraint {

    private final IEntity a;
    private final Vec2 pos;
    int color = Color.argb(25, 0, 153, 255);
    public PinConstraint(IEntity a, Vec2 pos) {
        this.a = a;
        this.pos = (new Vec2()).mutableSet(pos);
    }

    public void relax(float stepCoef)
    {
        this.a.getPos().mutableSet(this.pos);
    }

    @Override
    public void draw(IGraphics graphics) {
        graphics.setPenStyle(Paint.Style.FILL);
        graphics.setColorPen(color);
        graphics.drawCircle(this.pos.x, this.pos.y, 14);
    }

    @Override
    public Vec2 getPos() {
        return pos;
    }

    public IEntity getA() {
        return a;
    }
}

Java Source Code List