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Rotation and zooming for camera

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This commit is contained in:
Felipe Alfonso 2017-02-08 14:27:12 -03:00
parent 6f19416129
commit 24b382ece0
2 changed files with 11 additions and 9 deletions
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8
v3/src/camera/Camera-2.js
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@ -11,6 +11,8 @@ var Camera = function (x, y, width, height)
this.statePositionY = 0.0;
this.scrollX = 0.0;
this.scrollY = 0.0;
this.zoom = 1.0;
this.rotation = 0.0;
};
Camera.prototype.setState = function (state)
@ -27,10 +29,10 @@ Camera.prototype.preRender = function (interpolation, renderer)
this.statePositionX = stateTransform.positionX;
this.statePositionY = stateTransform.positionY;
stateTransform.positionX = this.x;
stateTransform.positionY = this.y;
stateTransform.positionX = this.statePositionX + this.x;
stateTransform.positionY = this.statePositionY + this.y;
Transform.updateRoot(stateTransform, -this.scrollX, -this.scrollY);
Transform.updateRoot(stateTransform, -this.scrollX, -this.scrollY, this.zoom, this.rotation);
};
Camera.prototype.postRender = function ()

12
v3/src/components/experimental-Transform-2.js
View file

@ -72,7 +72,7 @@ Transform.prototype.remove = function (transform)
}
};
Transform.updateRoot = function (root, globalOffsetX, globalOffsetY)
Transform.updateRoot = function (root, globalOffsetX, globalOffsetY, globalScale, globalRotation)
{
var currentChild = null;
var stackLength = 0;
@ -119,9 +119,9 @@ Transform.updateRoot = function (root, globalOffsetX, globalOffsetY)
transX = child.positionX + globalOffsetX;
transY = child.positionY + globalOffsetY;
scaleX = child.scaleX;
scaleY = child.scaleY;
rotation = child.rotation;
scaleX = child.scaleX * globalScale;
scaleY = child.scaleY * globalScale;
rotation = child.rotation + globalRotation;
tcos = cos(rotation);
tsin = sin(rotation);
@ -136,8 +136,8 @@ Transform.updateRoot = function (root, globalOffsetX, globalOffsetY)
world[1] = l0 * p1 + l1 * p3;
world[2] = l2 * p0 + l3 * p2;
world[3] = l2 * p1 + l3 * p3;
world[4] = transX * p0 + transY * p2 + p4;
world[5] = transX * p1 + transY * p3 + p5;
world[4] = transX * world[0] + transY * world[2] + p4;
world[5] = transX * world[1] + transY * world[3] + p5;
if (child.hasChildren)
{