CollisionLibrary.java

package fr.wolf.moteur.collision.utils;

public class CollisionLibrary
{
    public static boolean testAABBAABB(final AABB box1, final AABB box2)
    {
        if((box2.center.x >= box1.center.x + box1.w) || (box2.center.x + box2.w <= box1.center.x) || (box2.center.y >= box1.center.y + box1.h) || (box2.center.y + box2.h <= box1.center.y))
            return false;// Pas touché
        return true;// touché
    }

    // TODO Impossible à tester.
    /*
     * public static boolean testAABBSOL(final AABB box, final int sol) { if(box.center.y + box.h >= sol) { System.out.println("Sol non touché"); return false; //Pas touché } System.out.println("Sol touché"); return true; //touché }
     */

    // TODO Inutile pour l'instant
    /*
     * public static boolean testCircleCircle(final Circle c1, final Circle c2) { final float distSQ = c1.center.distSQ(c2.center); final float radiusSum = c1.radius + c2.radius; return distSQ <= radiusSum * radiusSum; } public static boolean testCircleAABB(final Circle circle, final AABB box) { // get the squared distance between circle center and the AABB float sqDist =
     * sqDistPointAABB(circle.center, box); float r = circle.radius; return sqDist <= r * r; } public static float sqDistPointAABB(final Vector p, final AABB aabb) { float sqDist = 0.0f; float v; float minX, minY, maxX, maxY; // get the minX, maxX, minY and maxY points of the AABB minX = aabb.center.x - aabb.w; maxX = aabb.center.x + aabb.w; minY = aabb.center.y - aabb.h; maxY = aabb.center.y +
     * aabb.h; // test the bounds against the points X axis v = p.x; if (v < minX) sqDist += (minX - v) * (minX - v); if (v > maxX) sqDist += (v - maxX) * (v - maxX); // test the bounds against the points Y axis v = p.y; if (v < minY) sqDist += (minY - v) * (minY - v); if (v > maxY) sqDist += (v - maxY) * (v - maxY); return sqDist; }
     */
}