Example usage for com.badlogic.gdx.physics.box2d ContactImpulse getNormalImpulses

Introduction

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

Prototype

public float[] getNormalImpulses() 

Source Link

Usage

From source file:com.strategames.catchdastars.game.CatchDaStars.java

License:Open Source License

private void handleBalloonRockCollision(ContactImpulse impulse, Balloon balloon, GameObject gameObject) {
    if (gameObject instanceof Icecube) {
        if (impulse.getNormalImpulses()[0] > 2) {
            destroyBalloon(balloon);/*  w  ww . ja  v  a 2s  .c  o m*/
        }
    }
}

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From source file:com.strategames.engine.gameobject.types.Balloon.java

License:Open Source License

@Override
public void handleCollision(Contact contact, ContactImpulse impulse, GameObject gameObject) {
    float[] impulses = impulse.getNormalImpulses();
    if (impulses[0] > 0.04) {
        //If impulse is greater then maxImpulse we play volume at max (i.e. 1f)
        //otherwise we divide impulse by maxImpulse to make sound softer if balloon
        //hits object softer
        float volume = impulses[0] > maxImpulse ? 1f : (impulses[0] / maxImpulse);
        this.soundBalloonBounce.play(volume);
    }//from   w  w w. j av  a2s .  co m
}

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From source file:com.strategames.engine.gameobject.types.Icecube.java

License:Open Source License

@Override
public void handleCollision(Contact contact, ContactImpulse impulse, GameObject gameObject) {
    float maxImpulse = 0.0f;

    float[] impulses = impulse.getNormalImpulses();

    maxImpulse = impulses[0] > maximumImpulse ? maximumImpulse : impulses[0];

    if (maxImpulse > 20) { // prevent counting rocks hitting when they are lying on top of eachother
        rocksHit++;/*from   w w  w  .j  a v a2 s .  co m*/
        rocksHitTotalImpulse += maxImpulse;

        if ((maxImpulse > 50) && (this.amountOfParts > 1)) { // break object

            if (this.breakOfPart == null) {

                Body body = getBody();
                //Get colliding fixture for this object
                Fixture fixture = contact.getFixtureA();
                if (fixture.getBody() != body) {
                    fixture = contact.getFixtureB();
                }

                /**
                 * fixtures get reused and sometimes seem to be available in the wrong object
                 * (fixtures from an old object which has not yet been removed)
                 */
                if (body.getFixtureList().contains(fixture, true)) {
                    Integer userData = (Integer) fixture.getUserData();
                    if (userData != null) {
                        try {
                            this.breakOfPart = this.parts.get(userData.intValue());
                        } catch (IndexOutOfBoundsException e) {
                            Gdx.app.log("Icecube", "handleCollision: array out of bounds: this=" + this
                                    + "fixture=" + fixture);
                        }
                    }
                }
            }
        }
    }
}

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From source file:com.tnf.ptm.common.PtmContactListener.java

License:Apache License

private float calcAbsImpulse(ContactImpulse impulse) {
    float absImpulse = 0;
    int pointCount = impulse.getCount();
    float[] normImpulses = impulse.getNormalImpulses();
    for (int i = 0; i < pointCount; i++) {
        float normImpulse = normImpulses[i];
        normImpulse = PtmMath.abs(normImpulse);
        if (absImpulse < normImpulse) {
            absImpulse = normImpulse;/*from   www.  j a v a  2 s.c  o m*/
        }
    }
    return absImpulse;
}

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From source file:org.destinationsol.game.SolContactListener.java

License:Apache License

private float calcAbsImpulse(ContactImpulse impulse) {
    float absImpulse = 0;
    int pointCount = impulse.getCount();
    float[] normImpulses = impulse.getNormalImpulses();
    for (int i = 0; i < pointCount; i++) {
        float normImpulse = normImpulses[i];
        normImpulse = SolMath.abs(normImpulse);
        if (absImpulse < normImpulse)
            absImpulse = normImpulse;/*from   w w  w .  j  av a2s . c o m*/
    }
    return absImpulse;
}

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