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@ -117,6 +117,9 @@ class Throwable { |
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let t = performance.now() |
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let dt = t - this.lastframe |
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this.lastframe = t |
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// When number is not set or is zero. Use one instead.
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let number = delta.number ? delta.number : 1 |
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if (dt > 0) { |
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// Avoid division by zero errors later on
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// and consider the number of involved pointers sind addVelocity will be called by the
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@ -124,13 +127,14 @@ class Throwable { |
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let velocity = { |
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t: t, |
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dt: dt, |
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dx: delta.x / delta.number, |
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dy: delta.y / delta.number |
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dx: delta.x / number, |
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dy: delta.y / number |
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} |
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this.velocities.push(velocity) |
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while (this.velocities.length > buffer) { |
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this.velocities.shift() |
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} |
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} |
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} |
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@ -378,7 +382,6 @@ export class AbstractScatter extends Throwable { |
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let delta = interaction.delta() |
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if (delta != null) { |
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this.addVelocity(delta) |
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let rotate = delta.rotate |
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let zoom = delta.zoom |
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if (this.maxRotation != null) { |
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@ -578,6 +581,7 @@ export class AbstractScatter extends Throwable { |
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} |
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_move(delta) { |
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this.addVelocity(delta) |
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this.x += this.movableX ? delta.x : 0 |
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this.y += this.movableX ? delta.y : 0 |
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} |
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@ -1392,7 +1396,8 @@ export class DOMScatter extends AbstractScatter { |
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} |
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this._x = x |
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this._y = y |
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TweenLite.set(this.element, { x: x, y: y }) |
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this.addVelocity({ x: delta.x, y: delta.y }) |
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TweenLite.set(this.element, { x, y }) |
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} |
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resizeAfterTransform(zoom) { |
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