mirror of
https://github.com/photonstorm/phaser
synced 2024-11-26 22:52:14 +00:00
777 lines
40 KiB
JavaScript
777 lines
40 KiB
JavaScript
var Phaser;
|
|
(function (Phaser) {
|
|
var Collision = (function () {
|
|
function Collision(game) {
|
|
this._game = game;
|
|
Collision.T_VECTORS = [];
|
|
for(var i = 0; i < 10; i++) {
|
|
Collision.T_VECTORS.push(new Vector2());
|
|
}
|
|
Collision.T_ARRAYS = [];
|
|
for(var i = 0; i < 5; i++) {
|
|
Collision.T_ARRAYS.push([]);
|
|
}
|
|
}
|
|
Collision.LEFT = 0x0001;
|
|
Collision.RIGHT = 0x0010;
|
|
Collision.UP = 0x0100;
|
|
Collision.DOWN = 0x1000;
|
|
Collision.NONE = 0;
|
|
Collision.CEILING = Phaser.Collision.UP;
|
|
Collision.FLOOR = Phaser.Collision.DOWN;
|
|
Collision.WALL = Phaser.Collision.LEFT | Phaser.Collision.RIGHT;
|
|
Collision.ANY = Phaser.Collision.LEFT | Phaser.Collision.RIGHT | Phaser.Collision.UP | Phaser.Collision.DOWN;
|
|
Collision.OVERLAP_BIAS = 4;
|
|
Collision.TILE_OVERLAP = false;
|
|
Collision.lineToLine = function lineToLine(line1, line2, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var denominator = (line1.x1 - line1.x2) * (line2.y1 - line2.y2) - (line1.y1 - line1.y2) * (line2.x1 - line2.x2);
|
|
if(denominator !== 0) {
|
|
output.result = true;
|
|
output.x = ((line1.x1 * line1.y2 - line1.y1 * line1.x2) * (line2.x1 - line2.x2) - (line1.x1 - line1.x2) * (line2.x1 * line2.y2 - line2.y1 * line2.x2)) / denominator;
|
|
output.y = ((line1.x1 * line1.y2 - line1.y1 * line1.x2) * (line2.y1 - line2.y2) - (line1.y1 - line1.y2) * (line2.x1 * line2.y2 - line2.y1 * line2.x2)) / denominator;
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineToLineSegment = function lineToLineSegment(line, seg, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var denominator = (line.x1 - line.x2) * (seg.y1 - seg.y2) - (line.y1 - line.y2) * (seg.x1 - seg.x2);
|
|
if(denominator !== 0) {
|
|
output.x = ((line.x1 * line.y2 - line.y1 * line.x2) * (seg.x1 - seg.x2) - (line.x1 - line.x2) * (seg.x1 * seg.y2 - seg.y1 * seg.x2)) / denominator;
|
|
output.y = ((line.x1 * line.y2 - line.y1 * line.x2) * (seg.y1 - seg.y2) - (line.y1 - line.y2) * (seg.x1 * seg.y2 - seg.y1 * seg.x2)) / denominator;
|
|
var maxX = Math.max(seg.x1, seg.x2);
|
|
var minX = Math.min(seg.x1, seg.x2);
|
|
var maxY = Math.max(seg.y1, seg.y2);
|
|
var minY = Math.min(seg.y1, seg.y2);
|
|
if((output.x <= maxX && output.x >= minX) === true || (output.y <= maxY && output.y >= minY) === true) {
|
|
output.result = true;
|
|
}
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineToRawSegment = function lineToRawSegment(line, x1, y1, x2, y2, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var denominator = (line.x1 - line.x2) * (y1 - y2) - (line.y1 - line.y2) * (x1 - x2);
|
|
if(denominator !== 0) {
|
|
output.x = ((line.x1 * line.y2 - line.y1 * line.x2) * (x1 - x2) - (line.x1 - line.x2) * (x1 * y2 - y1 * x2)) / denominator;
|
|
output.y = ((line.x1 * line.y2 - line.y1 * line.x2) * (y1 - y2) - (line.y1 - line.y2) * (x1 * y2 - y1 * x2)) / denominator;
|
|
var maxX = Math.max(x1, x2);
|
|
var minX = Math.min(x1, x2);
|
|
var maxY = Math.max(y1, y2);
|
|
var minY = Math.min(y1, y2);
|
|
if((output.x <= maxX && output.x >= minX) === true || (output.y <= maxY && output.y >= minY) === true) {
|
|
output.result = true;
|
|
}
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineToRay = function lineToRay(line1, ray, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var denominator = (line1.x1 - line1.x2) * (ray.y1 - ray.y2) - (line1.y1 - line1.y2) * (ray.x1 - ray.x2);
|
|
if(denominator !== 0) {
|
|
output.x = ((line1.x1 * line1.y2 - line1.y1 * line1.x2) * (ray.x1 - ray.x2) - (line1.x1 - line1.x2) * (ray.x1 * ray.y2 - ray.y1 * ray.x2)) / denominator;
|
|
output.y = ((line1.x1 * line1.y2 - line1.y1 * line1.x2) * (ray.y1 - ray.y2) - (line1.y1 - line1.y2) * (ray.x1 * ray.y2 - ray.y1 * ray.x2)) / denominator;
|
|
output.result = true;
|
|
if(!(ray.x1 >= ray.x2) && output.x < ray.x1) {
|
|
output.result = false;
|
|
}
|
|
if(!(ray.y1 >= ray.y2) && output.y < ray.y1) {
|
|
output.result = false;
|
|
}
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineToCircle = function lineToCircle(line, circle, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
if(line.perp(circle.x, circle.y).length <= circle.radius) {
|
|
output.result = true;
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineToRectangle = function lineToRectangle(line, rect, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
Phaser.Collision.lineToRawSegment(line, rect.x, rect.y, rect.right, rect.y, output);
|
|
if(output.result === true) {
|
|
return output;
|
|
}
|
|
Phaser.Collision.lineToRawSegment(line, rect.x, rect.y, rect.x, rect.bottom, output);
|
|
if(output.result === true) {
|
|
return output;
|
|
}
|
|
Phaser.Collision.lineToRawSegment(line, rect.x, rect.bottom, rect.right, rect.bottom, output);
|
|
if(output.result === true) {
|
|
return output;
|
|
}
|
|
Phaser.Collision.lineToRawSegment(line, rect.right, rect.y, rect.right, rect.bottom, output);
|
|
return output;
|
|
};
|
|
Collision.lineSegmentToLineSegment = function lineSegmentToLineSegment(line1, line2, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
Phaser.Collision.lineToLineSegment(line1, line2);
|
|
if(output.result === true) {
|
|
if(!(output.x >= Math.min(line1.x1, line1.x2) && output.x <= Math.max(line1.x1, line1.x2) && output.y >= Math.min(line1.y1, line1.y2) && output.y <= Math.max(line1.y1, line1.y2))) {
|
|
output.result = false;
|
|
}
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineSegmentToRay = function lineSegmentToRay(line, ray, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
Phaser.Collision.lineToRay(line, ray, output);
|
|
if(output.result === true) {
|
|
if(!(output.x >= Math.min(line.x1, line.x2) && output.x <= Math.max(line.x1, line.x2) && output.y >= Math.min(line.y1, line.y2) && output.y <= Math.max(line.y1, line.y2))) {
|
|
output.result = false;
|
|
}
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineSegmentToCircle = function lineSegmentToCircle(seg, circle, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var perp = seg.perp(circle.x, circle.y);
|
|
if(perp.length <= circle.radius) {
|
|
var maxX = Math.max(seg.x1, seg.x2);
|
|
var minX = Math.min(seg.x1, seg.x2);
|
|
var maxY = Math.max(seg.y1, seg.y2);
|
|
var minY = Math.min(seg.y1, seg.y2);
|
|
if((perp.x2 <= maxX && perp.x2 >= minX) && (perp.y2 <= maxY && perp.y2 >= minY)) {
|
|
output.result = true;
|
|
} else {
|
|
if(Phaser.Collision.circleContainsPoint(circle, {
|
|
x: seg.x1,
|
|
y: seg.y1
|
|
}) || Phaser.Collision.circleContainsPoint(circle, {
|
|
x: seg.x2,
|
|
y: seg.y2
|
|
})) {
|
|
output.result = true;
|
|
}
|
|
}
|
|
}
|
|
return output;
|
|
};
|
|
Collision.lineSegmentToRectangle = function lineSegmentToRectangle(seg, rect, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
if(rect.contains(seg.x1, seg.y1) && rect.contains(seg.x2, seg.y2)) {
|
|
output.result = true;
|
|
} else {
|
|
Phaser.Collision.lineToRawSegment(seg, rect.x, rect.y, rect.right, rect.bottom, output);
|
|
if(output.result === true) {
|
|
return output;
|
|
}
|
|
Phaser.Collision.lineToRawSegment(seg, rect.x, rect.y, rect.x, rect.bottom, output);
|
|
if(output.result === true) {
|
|
return output;
|
|
}
|
|
Phaser.Collision.lineToRawSegment(seg, rect.x, rect.bottom, rect.right, rect.bottom, output);
|
|
if(output.result === true) {
|
|
return output;
|
|
}
|
|
Phaser.Collision.lineToRawSegment(seg, rect.right, rect.y, rect.right, rect.bottom, output);
|
|
return output;
|
|
}
|
|
return output;
|
|
};
|
|
Collision.rayToRectangle = function rayToRectangle(ray, rect, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
Phaser.Collision.lineToRectangle(ray, rect, output);
|
|
return output;
|
|
};
|
|
Collision.rayToLineSegment = function rayToLineSegment(rayX1, rayY1, rayX2, rayY2, lineX1, lineY1, lineX2, lineY2, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var r;
|
|
var s;
|
|
var d;
|
|
if((rayY2 - rayY1) / (rayX2 - rayX1) != (lineY2 - lineY1) / (lineX2 - lineX1)) {
|
|
d = (((rayX2 - rayX1) * (lineY2 - lineY1)) - (rayY2 - rayY1) * (lineX2 - lineX1));
|
|
if(d != 0) {
|
|
r = (((rayY1 - lineY1) * (lineX2 - lineX1)) - (rayX1 - lineX1) * (lineY2 - lineY1)) / d;
|
|
s = (((rayY1 - lineY1) * (rayX2 - rayX1)) - (rayX1 - lineX1) * (rayY2 - rayY1)) / d;
|
|
if(r >= 0) {
|
|
if(s >= 0 && s <= 1) {
|
|
output.result = true;
|
|
output.x = rayX1 + r * (rayX2 - rayX1);
|
|
output.y = rayY1 + r * (rayY2 - rayY1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return output;
|
|
};
|
|
Collision.pointToRectangle = function pointToRectangle(point, rect, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
output.setTo(point.x, point.y);
|
|
output.result = rect.containsPoint(point);
|
|
return output;
|
|
};
|
|
Collision.rectangleToRectangle = function rectangleToRectangle(rect1, rect2, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var leftX = Math.max(rect1.x, rect2.x);
|
|
var rightX = Math.min(rect1.right, rect2.right);
|
|
var topY = Math.max(rect1.y, rect2.y);
|
|
var bottomY = Math.min(rect1.bottom, rect2.bottom);
|
|
output.setTo(leftX, topY, rightX - leftX, bottomY - topY, rightX - leftX, bottomY - topY);
|
|
var cx = output.x + output.width * .5;
|
|
var cy = output.y + output.height * .5;
|
|
if((cx > rect1.x && cx < rect1.right) && (cy > rect1.y && cy < rect1.bottom)) {
|
|
output.result = true;
|
|
}
|
|
return output;
|
|
};
|
|
Collision.rectangleToCircle = function rectangleToCircle(rect, circle, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
return Phaser.Collision.circleToRectangle(circle, rect, output);
|
|
};
|
|
Collision.circleToCircle = function circleToCircle(circle1, circle2, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
output.result = ((circle1.radius + circle2.radius) * (circle1.radius + circle2.radius)) >= Phaser.Collision.distanceSquared(circle1.x, circle1.y, circle2.x, circle2.y);
|
|
return output;
|
|
};
|
|
Collision.circleToRectangle = function circleToRectangle(circle, rect, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
var inflatedRect = rect.clone();
|
|
inflatedRect.inflate(circle.radius, circle.radius);
|
|
output.result = inflatedRect.contains(circle.x, circle.y);
|
|
return output;
|
|
};
|
|
Collision.circleContainsPoint = function circleContainsPoint(circle, point, output) {
|
|
if (typeof output === "undefined") { output = new Phaser.IntersectResult(); }
|
|
output.result = circle.radius * circle.radius >= Phaser.Collision.distanceSquared(circle.x, circle.y, point.x, point.y);
|
|
return output;
|
|
};
|
|
Collision.prototype.overlap = function (object1, object2, notifyCallback, processCallback, context) {
|
|
if (typeof object1 === "undefined") { object1 = null; }
|
|
if (typeof object2 === "undefined") { object2 = null; }
|
|
if (typeof notifyCallback === "undefined") { notifyCallback = null; }
|
|
if (typeof processCallback === "undefined") { processCallback = null; }
|
|
if (typeof context === "undefined") { context = null; }
|
|
if(object1 == null) {
|
|
object1 = this._game.world.group;
|
|
}
|
|
if(object2 == object1) {
|
|
object2 = null;
|
|
}
|
|
Phaser.QuadTree.divisions = this._game.world.worldDivisions;
|
|
var quadTree = new Phaser.QuadTree(this._game.world.bounds.x, this._game.world.bounds.y, this._game.world.bounds.width, this._game.world.bounds.height);
|
|
quadTree.load(object1, object2, notifyCallback, processCallback, context);
|
|
var result = quadTree.execute();
|
|
quadTree.destroy();
|
|
quadTree = null;
|
|
return result;
|
|
};
|
|
Collision.separate = function separate(object1, object2) {
|
|
object1.collisionMask.update();
|
|
object2.collisionMask.update();
|
|
var separatedX = Phaser.Collision.separateX(object1, object2);
|
|
var separatedY = Phaser.Collision.separateY(object1, object2);
|
|
return separatedX || separatedY;
|
|
};
|
|
Collision.separateTile = function separateTile(object, x, y, width, height, mass, collideLeft, collideRight, collideUp, collideDown, separateX, separateY) {
|
|
object.collisionMask.update();
|
|
var separatedX = Phaser.Collision.separateTileX(object, x, y, width, height, mass, collideLeft, collideRight, separateX);
|
|
var separatedY = Phaser.Collision.separateTileY(object, x, y, width, height, mass, collideUp, collideDown, separateY);
|
|
return separatedX || separatedY;
|
|
};
|
|
Collision.separateTileX = function separateTileX(object, x, y, width, height, mass, collideLeft, collideRight, separate) {
|
|
if(object.immovable) {
|
|
return false;
|
|
}
|
|
var overlap = 0;
|
|
var objDelta = object.x - object.last.x;
|
|
if(objDelta != 0) {
|
|
var objDeltaAbs = (objDelta > 0) ? objDelta : -objDelta;
|
|
var objBounds = new Phaser.Quad(object.x - ((objDelta > 0) ? objDelta : 0), object.last.y, object.width + ((objDelta > 0) ? objDelta : -objDelta), object.height);
|
|
if((objBounds.x + objBounds.width > x) && (objBounds.x < x + width) && (objBounds.y + objBounds.height > y) && (objBounds.y < y + height)) {
|
|
var maxOverlap = objDeltaAbs + Phaser.Collision.OVERLAP_BIAS;
|
|
if(objDelta > 0) {
|
|
overlap = object.x + object.width - x;
|
|
if((overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.RIGHT) || collideLeft == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.RIGHT;
|
|
}
|
|
} else if(objDelta < 0) {
|
|
overlap = object.x - width - x;
|
|
if((-overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.LEFT) || collideRight == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.LEFT;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(overlap != 0) {
|
|
if(separate == true) {
|
|
object.x = object.x - overlap;
|
|
object.velocity.x = -(object.velocity.x * object.elasticity);
|
|
}
|
|
Phaser.Collision.TILE_OVERLAP = true;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
Collision.separateTileY = function separateTileY(object, x, y, width, height, mass, collideUp, collideDown, separate) {
|
|
if(object.immovable) {
|
|
return false;
|
|
}
|
|
var overlap = 0;
|
|
var objDelta = object.y - object.last.y;
|
|
if(objDelta != 0) {
|
|
var objDeltaAbs = (objDelta > 0) ? objDelta : -objDelta;
|
|
var objBounds = new Phaser.Quad(object.x, object.y - ((objDelta > 0) ? objDelta : 0), object.width, object.height + objDeltaAbs);
|
|
if((objBounds.x + objBounds.width > x) && (objBounds.x < x + width) && (objBounds.y + objBounds.height > y) && (objBounds.y < y + height)) {
|
|
var maxOverlap = objDeltaAbs + Phaser.Collision.OVERLAP_BIAS;
|
|
if(objDelta > 0) {
|
|
overlap = object.y + object.height - y;
|
|
if((overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.DOWN) || collideUp == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.DOWN;
|
|
}
|
|
} else if(objDelta < 0) {
|
|
overlap = object.y - height - y;
|
|
if((-overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.UP) || collideDown == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.UP;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(overlap != 0) {
|
|
if(separate == true) {
|
|
object.y = object.y - overlap;
|
|
object.velocity.y = -(object.velocity.y * object.elasticity);
|
|
}
|
|
Phaser.Collision.TILE_OVERLAP = true;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
Collision.NEWseparateTileX = function NEWseparateTileX(object, x, y, width, height, mass, collideLeft, collideRight, separate) {
|
|
if(object.immovable) {
|
|
return false;
|
|
}
|
|
var overlap = 0;
|
|
if(object.collisionMask.deltaX != 0) {
|
|
if(object.collisionMask.intersectsRaw(x, x + width, y, y + height)) {
|
|
var maxOverlap = object.collisionMask.deltaXAbs + Phaser.Collision.OVERLAP_BIAS;
|
|
if(object.collisionMask.deltaX > 0) {
|
|
overlap = object.collisionMask.right - x;
|
|
if((overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.RIGHT) || collideLeft == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.RIGHT;
|
|
}
|
|
} else if(object.collisionMask.deltaX < 0) {
|
|
overlap = object.collisionMask.x - width - x;
|
|
if((-overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.LEFT) || collideRight == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.LEFT;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(overlap != 0) {
|
|
if(separate == true) {
|
|
object.x = object.x - overlap;
|
|
object.velocity.x = -(object.velocity.x * object.elasticity);
|
|
}
|
|
Phaser.Collision.TILE_OVERLAP = true;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
Collision.NEWseparateTileY = function NEWseparateTileY(object, x, y, width, height, mass, collideUp, collideDown, separate) {
|
|
if(object.immovable) {
|
|
return false;
|
|
}
|
|
var overlap = 0;
|
|
if(object.collisionMask.deltaY != 0) {
|
|
if(object.collisionMask.intersectsRaw(x, x + width, y, y + height)) {
|
|
var maxOverlap = object.collisionMask.deltaYAbs + Phaser.Collision.OVERLAP_BIAS;
|
|
if(object.collisionMask.deltaY > 0) {
|
|
overlap = object.collisionMask.bottom - y;
|
|
if((overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.DOWN) || collideUp == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.DOWN;
|
|
}
|
|
} else if(object.collisionMask.deltaY < 0) {
|
|
overlap = object.collisionMask.y - height - y;
|
|
if((-overlap > maxOverlap) || !(object.allowCollisions & Phaser.Collision.UP) || collideDown == false) {
|
|
overlap = 0;
|
|
} else {
|
|
object.touching |= Phaser.Collision.UP;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(overlap != 0) {
|
|
if(separate == true) {
|
|
object.y = object.y - overlap;
|
|
object.velocity.y = -(object.velocity.y * object.elasticity);
|
|
}
|
|
Phaser.Collision.TILE_OVERLAP = true;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
Collision.separateX = function separateX(object1, object2) {
|
|
if(object1.immovable && object2.immovable) {
|
|
return false;
|
|
}
|
|
var overlap = 0;
|
|
if(object1.collisionMask.deltaX != object2.collisionMask.deltaX) {
|
|
if(object1.collisionMask.intersects(object2.collisionMask)) {
|
|
var maxOverlap = object1.collisionMask.deltaXAbs + object2.collisionMask.deltaXAbs + Phaser.Collision.OVERLAP_BIAS;
|
|
if(object1.collisionMask.deltaX > object2.collisionMask.deltaX) {
|
|
overlap = object1.collisionMask.right - object2.collisionMask.x;
|
|
if((overlap > maxOverlap) || !(object1.allowCollisions & Phaser.Collision.RIGHT) || !(object2.allowCollisions & Phaser.Collision.LEFT)) {
|
|
overlap = 0;
|
|
} else {
|
|
object1.touching |= Phaser.Collision.RIGHT;
|
|
object2.touching |= Phaser.Collision.LEFT;
|
|
}
|
|
} else if(object1.collisionMask.deltaX < object2.collisionMask.deltaX) {
|
|
overlap = object1.collisionMask.x - object2.collisionMask.width - object2.collisionMask.x;
|
|
if((-overlap > maxOverlap) || !(object1.allowCollisions & Phaser.Collision.LEFT) || !(object2.allowCollisions & Phaser.Collision.RIGHT)) {
|
|
overlap = 0;
|
|
} else {
|
|
object1.touching |= Phaser.Collision.LEFT;
|
|
object2.touching |= Phaser.Collision.RIGHT;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(overlap != 0) {
|
|
var obj1Velocity = object1.velocity.x;
|
|
var obj2Velocity = object2.velocity.x;
|
|
if(!object1.immovable && !object2.immovable) {
|
|
overlap *= 0.5;
|
|
object1.x = object1.x - overlap;
|
|
object2.x += overlap;
|
|
var obj1NewVelocity = Math.sqrt((obj2Velocity * obj2Velocity * object2.mass) / object1.mass) * ((obj2Velocity > 0) ? 1 : -1);
|
|
var obj2NewVelocity = Math.sqrt((obj1Velocity * obj1Velocity * object1.mass) / object2.mass) * ((obj1Velocity > 0) ? 1 : -1);
|
|
var average = (obj1NewVelocity + obj2NewVelocity) * 0.5;
|
|
obj1NewVelocity -= average;
|
|
obj2NewVelocity -= average;
|
|
object1.velocity.x = average + obj1NewVelocity * object1.elasticity;
|
|
object2.velocity.x = average + obj2NewVelocity * object2.elasticity;
|
|
} else if(!object1.immovable) {
|
|
object1.x = object1.x - overlap;
|
|
object1.velocity.x = obj2Velocity - obj1Velocity * object1.elasticity;
|
|
} else if(!object2.immovable) {
|
|
object2.x += overlap;
|
|
object2.velocity.x = obj1Velocity - obj2Velocity * object2.elasticity;
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
Collision.separateY = function separateY(object1, object2) {
|
|
if(object1.immovable && object2.immovable) {
|
|
return false;
|
|
}
|
|
var overlap = 0;
|
|
if(object1.collisionMask.deltaY != object2.collisionMask.deltaY) {
|
|
if(object1.collisionMask.intersects(object2.collisionMask)) {
|
|
var maxOverlap = object1.collisionMask.deltaYAbs + object2.collisionMask.deltaYAbs + Phaser.Collision.OVERLAP_BIAS;
|
|
if(object1.collisionMask.deltaY > object2.collisionMask.deltaY) {
|
|
overlap = object1.collisionMask.bottom - object2.collisionMask.y;
|
|
if((overlap > maxOverlap) || !(object1.allowCollisions & Phaser.Collision.DOWN) || !(object2.allowCollisions & Phaser.Collision.UP)) {
|
|
overlap = 0;
|
|
} else {
|
|
object1.touching |= Phaser.Collision.DOWN;
|
|
object2.touching |= Phaser.Collision.UP;
|
|
}
|
|
} else if(object1.collisionMask.deltaY < object2.collisionMask.deltaY) {
|
|
overlap = object1.collisionMask.y - object2.collisionMask.height - object2.collisionMask.y;
|
|
if((-overlap > maxOverlap) || !(object1.allowCollisions & Phaser.Collision.UP) || !(object2.allowCollisions & Phaser.Collision.DOWN)) {
|
|
overlap = 0;
|
|
} else {
|
|
object1.touching |= Phaser.Collision.UP;
|
|
object2.touching |= Phaser.Collision.DOWN;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(overlap != 0) {
|
|
var obj1Velocity = object1.velocity.y;
|
|
var obj2Velocity = object2.velocity.y;
|
|
if(!object1.immovable && !object2.immovable) {
|
|
overlap *= 0.5;
|
|
object1.y = object1.y - overlap;
|
|
object2.y += overlap;
|
|
var obj1NewVelocity = Math.sqrt((obj2Velocity * obj2Velocity * object2.mass) / object1.mass) * ((obj2Velocity > 0) ? 1 : -1);
|
|
var obj2NewVelocity = Math.sqrt((obj1Velocity * obj1Velocity * object1.mass) / object2.mass) * ((obj1Velocity > 0) ? 1 : -1);
|
|
var average = (obj1NewVelocity + obj2NewVelocity) * 0.5;
|
|
obj1NewVelocity -= average;
|
|
obj2NewVelocity -= average;
|
|
object1.velocity.y = average + obj1NewVelocity * object1.elasticity;
|
|
object2.velocity.y = average + obj2NewVelocity * object2.elasticity;
|
|
} else if(!object1.immovable) {
|
|
object1.y = object1.y - overlap;
|
|
object1.velocity.y = obj2Velocity - obj1Velocity * object1.elasticity;
|
|
if(object2.active && object2.moves && (object1.collisionMask.deltaY > object2.collisionMask.deltaY)) {
|
|
object1.x += object2.x - object2.last.x;
|
|
}
|
|
} else if(!object2.immovable) {
|
|
object2.y += overlap;
|
|
object2.velocity.y = obj1Velocity - obj2Velocity * object2.elasticity;
|
|
if(object1.active && object1.moves && (object1.collisionMask.deltaY < object2.collisionMask.deltaY)) {
|
|
object2.x += object1.x - object1.last.x;
|
|
}
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
Collision.distance = function distance(x1, y1, x2, y2) {
|
|
return Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
|
|
};
|
|
Collision.distanceSquared = function distanceSquared(x1, y1, x2, y2) {
|
|
return (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1);
|
|
};
|
|
Collision.flattenPointsOn = function flattenPointsOn(points, normal, result) {
|
|
var min = Number.MAX_VALUE;
|
|
var max = -Number.MAX_VALUE;
|
|
var len = points.length;
|
|
for(var i = 0; i < len; i++) {
|
|
var dot = points[i].dot(normal);
|
|
if(dot < min) {
|
|
min = dot;
|
|
}
|
|
if(dot > max) {
|
|
max = dot;
|
|
}
|
|
}
|
|
result[0] = min;
|
|
result[1] = max;
|
|
};
|
|
Collision.isSeparatingAxis = function isSeparatingAxis(aPos, bPos, aPoints, bPoints, axis, response) {
|
|
if (typeof response === "undefined") { response = null; }
|
|
var rangeA = Phaser.Collision.T_ARRAYS.pop();
|
|
var rangeB = Phaser.Collision.T_ARRAYS.pop();
|
|
var offsetV = Phaser.Collision.T_VECTORS.pop().copyFrom(bPos).sub(aPos);
|
|
var projectedOffset = offsetV.dot(axis);
|
|
Phaser.Collision.flattenPointsOn(aPoints, axis, rangeA);
|
|
Phaser.Collision.flattenPointsOn(bPoints, axis, rangeB);
|
|
rangeB[0] += projectedOffset;
|
|
rangeB[1] += projectedOffset;
|
|
if(rangeA[0] > rangeB[1] || rangeB[0] > rangeA[1]) {
|
|
Phaser.Collision.T_VECTORS.push(offsetV);
|
|
Phaser.Collision.T_ARRAYS.push(rangeA);
|
|
Phaser.Collision.T_ARRAYS.push(rangeB);
|
|
return true;
|
|
}
|
|
if(response) {
|
|
var overlap = 0;
|
|
if(rangeA[0] < rangeB[0]) {
|
|
response.aInB = false;
|
|
if(rangeA[1] < rangeB[1]) {
|
|
overlap = rangeA[1] - rangeB[0];
|
|
response.bInA = false;
|
|
} else {
|
|
var option1 = rangeA[1] - rangeB[0];
|
|
var option2 = rangeB[1] - rangeA[0];
|
|
overlap = option1 < option2 ? option1 : -option2;
|
|
}
|
|
} else {
|
|
response.bInA = false;
|
|
if(rangeA[1] > rangeB[1]) {
|
|
overlap = rangeA[0] - rangeB[1];
|
|
response.aInB = false;
|
|
} else {
|
|
var option1 = rangeA[1] - rangeB[0];
|
|
var option2 = rangeB[1] - rangeA[0];
|
|
overlap = option1 < option2 ? option1 : -option2;
|
|
}
|
|
}
|
|
var absOverlap = Math.abs(overlap);
|
|
if(absOverlap < response.overlap) {
|
|
response.overlap = absOverlap;
|
|
response.overlapN.copyFrom(axis);
|
|
if(overlap < 0) {
|
|
response.overlapN.reverse();
|
|
}
|
|
}
|
|
}
|
|
Phaser.Collision.T_VECTORS.push(offsetV);
|
|
Phaser.Collision.T_ARRAYS.push(rangeA);
|
|
Phaser.Collision.T_ARRAYS.push(rangeB);
|
|
return false;
|
|
};
|
|
Collision.LEFT_VORNOI_REGION = -1;
|
|
Collision.MIDDLE_VORNOI_REGION = 0;
|
|
Collision.RIGHT_VORNOI_REGION = 1;
|
|
Collision.vornoiRegion = function vornoiRegion(line, point) {
|
|
var len2 = line.length2();
|
|
var dp = point.dot(line);
|
|
if(dp < 0) {
|
|
return Phaser.Collision.LEFT_VORNOI_REGION;
|
|
} else if(dp > len2) {
|
|
return Phaser.Collision.RIGHT_VORNOI_REGION;
|
|
} else {
|
|
return Phaser.Collision.MIDDLE_VORNOI_REGION;
|
|
}
|
|
};
|
|
Collision.testCircleCircle = function testCircleCircle(a, b, response) {
|
|
if (typeof response === "undefined") { response = null; }
|
|
var differenceV = Phaser.Collision.T_VECTORS.pop().copyFrom(b.pos).sub(a.pos);
|
|
var totalRadius = a.radius + b.radius;
|
|
var totalRadiusSq = totalRadius * totalRadius;
|
|
var distanceSq = differenceV.length2();
|
|
if(distanceSq > totalRadiusSq) {
|
|
Phaser.Collision.T_VECTORS.push(differenceV);
|
|
return false;
|
|
}
|
|
if(response) {
|
|
var dist = Math.sqrt(distanceSq);
|
|
response.a = a;
|
|
response.b = b;
|
|
response.overlap = totalRadius - dist;
|
|
response.overlapN.copyFrom(differenceV.normalize());
|
|
response.overlapV.copyFrom(differenceV).scale(response.overlap);
|
|
response.aInB = a.radius <= b.radius && dist <= b.radius - a.radius;
|
|
response.bInA = b.radius <= a.radius && dist <= a.radius - b.radius;
|
|
}
|
|
Phaser.Collision.T_VECTORS.push(differenceV);
|
|
return true;
|
|
};
|
|
Collision.testPolygonCircle = function testPolygonCircle(polygon, circle, response) {
|
|
if (typeof response === "undefined") { response = null; }
|
|
var circlePos = Phaser.Collision.T_VECTORS.pop().copyFrom(circle.pos).sub(polygon.pos);
|
|
var radius = circle.radius;
|
|
var radius2 = radius * radius;
|
|
var points = polygon.points;
|
|
var len = points.length;
|
|
var edge = Collision.T_VECTORS.pop();
|
|
var point = Collision.T_VECTORS.pop();
|
|
for(var i = 0; i < len; i++) {
|
|
var next = i === len - 1 ? 0 : i + 1;
|
|
var prev = i === 0 ? len - 1 : i - 1;
|
|
var overlap = 0;
|
|
var overlapN = null;
|
|
edge.copyFrom(polygon.edges[i]);
|
|
point.copyFrom(circlePos).sub(points[i]);
|
|
if(response && point.length2() > radius2) {
|
|
response.aInB = false;
|
|
}
|
|
var region = Collision.vornoiRegion(edge, point);
|
|
if(region === Phaser.Collision.LEFT_VORNOI_REGION) {
|
|
edge.copyFrom(polygon.edges[prev]);
|
|
var point2 = Phaser.Collision.T_VECTORS.pop().copyFrom(circlePos).sub(points[prev]);
|
|
region = Collision.vornoiRegion(edge, point2);
|
|
if(region === Phaser.Collision.RIGHT_VORNOI_REGION) {
|
|
var dist = point.length2();
|
|
if(dist > radius) {
|
|
Phaser.Collision.T_VECTORS.push(circlePos);
|
|
Phaser.Collision.T_VECTORS.push(edge);
|
|
Phaser.Collision.T_VECTORS.push(point);
|
|
Phaser.Collision.T_VECTORS.push(point2);
|
|
return false;
|
|
} else if(response) {
|
|
response.bInA = false;
|
|
overlapN = point.normalize();
|
|
overlap = radius - dist;
|
|
}
|
|
}
|
|
Phaser.Collision.T_VECTORS.push(point2);
|
|
} else if(region === Phaser.Collision.RIGHT_VORNOI_REGION) {
|
|
edge.copyFrom(polygon.edges[next]);
|
|
point.copyFrom(circlePos).sub(points[next]);
|
|
region = Collision.vornoiRegion(edge, point);
|
|
if(region === Phaser.Collision.LEFT_VORNOI_REGION) {
|
|
var dist = point.length2();
|
|
if(dist > radius) {
|
|
Phaser.Collision.T_VECTORS.push(circlePos);
|
|
Phaser.Collision.T_VECTORS.push(edge);
|
|
Phaser.Collision.T_VECTORS.push(point);
|
|
return false;
|
|
} else if(response) {
|
|
response.bInA = false;
|
|
overlapN = point.normalize();
|
|
overlap = radius - dist;
|
|
}
|
|
}
|
|
} else {
|
|
var normal = edge.perp().normalize();
|
|
var dist = point.dot(normal);
|
|
var distAbs = Math.abs(dist);
|
|
if(dist > 0 && distAbs > radius) {
|
|
Phaser.Collision.T_VECTORS.push(circlePos);
|
|
Phaser.Collision.T_VECTORS.push(normal);
|
|
Phaser.Collision.T_VECTORS.push(point);
|
|
return false;
|
|
} else if(response) {
|
|
overlapN = normal;
|
|
overlap = radius - dist;
|
|
if(dist >= 0 || overlap < 2 * radius) {
|
|
response.bInA = false;
|
|
}
|
|
}
|
|
}
|
|
if(overlapN && response && Math.abs(overlap) < Math.abs(response.overlap)) {
|
|
response.overlap = overlap;
|
|
response.overlapN.copyFrom(overlapN);
|
|
}
|
|
}
|
|
if(response) {
|
|
response.a = polygon;
|
|
response.b = circle;
|
|
response.overlapV.copyFrom(response.overlapN).scale(response.overlap);
|
|
}
|
|
Phaser.Collision.T_VECTORS.push(circlePos);
|
|
Phaser.Collision.T_VECTORS.push(edge);
|
|
Phaser.Collision.T_VECTORS.push(point);
|
|
return true;
|
|
};
|
|
Collision.testCirclePolygon = function testCirclePolygon(circle, polygon, response) {
|
|
if (typeof response === "undefined") { response = null; }
|
|
var result = Phaser.Collision.testPolygonCircle(polygon, circle, response);
|
|
if(result && response) {
|
|
var a = response.a;
|
|
var aInB = response.aInB;
|
|
response.overlapN.reverse();
|
|
response.overlapV.reverse();
|
|
response.a = response.b;
|
|
response.b = a;
|
|
response.aInB = response.bInA;
|
|
response.bInA = aInB;
|
|
}
|
|
return result;
|
|
};
|
|
Collision.testPolygonPolygon = function testPolygonPolygon(a, b, response) {
|
|
if (typeof response === "undefined") { response = null; }
|
|
var aPoints = a.points;
|
|
var aLen = aPoints.length;
|
|
var bPoints = b.points;
|
|
var bLen = bPoints.length;
|
|
for(var i = 0; i < aLen; i++) {
|
|
if(Phaser.Collision.isSeparatingAxis(a.pos, b.pos, aPoints, bPoints, a.normals[i], response)) {
|
|
return false;
|
|
}
|
|
}
|
|
for(var i = 0; i < bLen; i++) {
|
|
if(Phaser.Collision.isSeparatingAxis(a.pos, b.pos, aPoints, bPoints, b.normals[i], response)) {
|
|
return false;
|
|
}
|
|
}
|
|
if(response) {
|
|
response.a = a;
|
|
response.b = b;
|
|
response.overlapV.copyFrom(response.overlapN).scale(response.overlap);
|
|
}
|
|
return true;
|
|
};
|
|
return Collision;
|
|
})();
|
|
Phaser.Collision = Collision;
|
|
})(Phaser || (Phaser = {}));
|