julian/EndlessRoll
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Fixed bug with collision detection (when player fell too fast on rightTop Edge of Obstacle, Center went over test-diagonal -> RightEdge was returned)

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2018-01-13 18:17:03 +01:00
parent fb3290a3b2
commit 5550543b77
3 changed files with 17 additions and 10 deletions
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23
app/src/main/java/de/frajul/endlessroll/entities/collision/CollisionDetector.java
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@ -156,10 +156,12 @@ public class CollisionDetector {
}
if (circleFullyInsideQuad)
return circleCenterInQuadCollisionEdge(circle, circleMovement, quad, quadMovement);
return circlePartlyOutsideQuadCollisionEdge(circle, quad);
return circlePartlyOutsideQuadCollisionEdge(circle, circleMovement, quad, quadMovement);
}
private Edge circlePartlyOutsideQuadCollisionEdge(Circle circle, Quad quad) {
private Edge circlePartlyOutsideQuadCollisionEdge(Circle circle, Vector circleMovement, Quad quad, Vector quadMovement) {
Vector relativeMovement = circleMovement.translate(quadMovement.negate());
Edge edge = Edge.NONE;
if (circle.getCenter().getY() + circle.getRadius() >= quad.getTopEdge())
edge = Edge.TOP;
@ -187,12 +189,17 @@ public class CollisionDetector {
} else if (circle.getCenter().getX() + circle.getRadius() >= quad.getRightEdge()) {
if (edge != Edge.NONE) {
if (edge == Edge.TOP) {
float m = 1;
float t = quad.getTopEdge() - m * quad.getRightEdge();
if (circle.getCenter().getY() >= m * circle.getCenter().getX() + t)
edge = Edge.TOP;
else
edge = Edge.RIGHT;
//This movement check is because if player falls with too much speed on topLeft Vertex, sometimes RIGHT-Edge is returned
if (relativeMovement.getY() < 0) {
return Edge.TOP;
} else {
float m = 1;
float t = quad.getTopEdge() - m * quad.getRightEdge();
if (circle.getCenter().getY() >= m * circle.getCenter().getX() + t)
edge = Edge.TOP;
else
edge = Edge.RIGHT;
}
} else if (edge == Edge.BOTTOM) {
float m = -1;
float t = quad.getBottomEdge() - m * quad.getRightEdge();