public boolean collidesWith(Polygon poly2) {
Vector2D[] poly1Axes = SeparatingAxisTheorem.getSepAxes(this.mPolyVecs);
Vector2D[] poly2Axes = SeparatingAxisTheorem.getSepAxes(poly2.mPolyVecs);
;
for (int a = 0; a < poly1Axes.length; a++) {
Vector2D proj1 = SeparatingAxisTheorem.getShapeProjection(poly1Axes[a], this.mPolyVecs);
Vector2D proj2 = SeparatingAxisTheorem.getShapeProjection(poly1Axes[a], poly2.mPolyVecs);
if (SeparatingAxisTheorem.projOverlap(proj1, proj2)) {
return false;
}
}
for (int b = 0; b < poly2Axes.length; b++) {
Vector2D proj1 = SeparatingAxisTheorem.getShapeProjection(poly2Axes[b], this.mPolyVecs);
Vector2D proj2 = SeparatingAxisTheorem.getShapeProjection(poly2Axes[b], poly2.mPolyVecs);
if (SeparatingAxisTheorem.projOverlap(proj1, proj2)) {
return false;
}
}
return true;
}
public MTV getMTV(Polygon poly2) {
float mainOverlap = Float.MAX_VALUE;
Vector2D smallest = null;
Vector2D[] poly1Axes = SeparatingAxisTheorem.getSepAxes(this.mPolyVecs);
Vector2D[] poly2Axes = SeparatingAxisTheorem.getSepAxes(poly2.mPolyVecs);
for (int a = 0; a < poly1Axes.length; a++) {
Vector2D proj1 = SeparatingAxisTheorem.getShapeProjection(poly1Axes[a], this.mPolyVecs);
Vector2D proj2 = SeparatingAxisTheorem.getShapeProjection(poly1Axes[a], poly2.mPolyVecs);
if (SeparatingAxisTheorem.projOverlap(proj1, proj2)) {
return null;
} else {
float tempOverlap1 = SeparatingAxisTheorem.getOverlap(proj1, proj2);
if (tempOverlap1 < mainOverlap) {
mainOverlap = tempOverlap1;
smallest = poly1Axes[a];
}
}
}
for (int b = 0; b < poly2Axes.length; b++) {
Vector2D proj1 = SeparatingAxisTheorem.getShapeProjection(poly2Axes[b], this.mPolyVecs);
Vector2D proj2 = SeparatingAxisTheorem.getShapeProjection(poly2Axes[b], poly2.mPolyVecs);
if (SeparatingAxisTheorem.projOverlap(proj1, proj2)) {
return null;
} else {
float tempOverlap2 = SeparatingAxisTheorem.getOverlap(proj1, proj2);
if (tempOverlap2 < mainOverlap) {
mainOverlap = tempOverlap2;
smallest = poly2Axes[b];
}
}
}
return new MTV(smallest, mainOverlap);
}
