mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-09 16:48:43 +08:00
86 lines
3.6 KiB
TypeScript
86 lines
3.6 KiB
TypeScript
/******************************************************************************
|
|
* Spine Runtimes Software License v2.5
|
|
*
|
|
* Copyright (c) 2013-2016, Esoteric Software
|
|
* All rights reserved.
|
|
*
|
|
* You are granted a perpetual, non-exclusive, non-sublicensable, and
|
|
* non-transferable license to use, install, execute, and perform the Spine
|
|
* Runtimes software and derivative works solely for personal or internal
|
|
* use. Without the written permission of Esoteric Software (see Section 2 of
|
|
* the Spine Software License Agreement), you may not (a) modify, translate,
|
|
* adapt, or develop new applications using the Spine Runtimes or otherwise
|
|
* create derivative works or improvements of the Spine Runtimes or (b) remove,
|
|
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
|
|
* or other intellectual property or proprietary rights notices on or in the
|
|
* Software, including any copy thereof. Redistributions in binary or source
|
|
* form must include this license and terms.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
|
* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
|
|
* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
|
|
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*****************************************************************************/
|
|
|
|
module spine.webgl {
|
|
export class OrthoCamera {
|
|
position = new Vector3(0, 0, 0);
|
|
direction = new Vector3(0, 0, -1);
|
|
up = new Vector3(0, 1, 0);
|
|
near = 0;
|
|
far = 100;
|
|
zoom = 1;
|
|
viewportWidth = 0;
|
|
viewportHeight = 0;
|
|
projectionView = new Matrix4();
|
|
inverseProjectionView = new Matrix4();
|
|
projection = new Matrix4();
|
|
view = new Matrix4();
|
|
|
|
private tmp = new Vector3();
|
|
|
|
constructor (viewportWidth: number, viewportHeight: number) {
|
|
this.viewportWidth = viewportWidth;
|
|
this.viewportHeight = viewportHeight;
|
|
this.update();
|
|
}
|
|
|
|
update () {
|
|
let projection = this.projection;
|
|
let view = this.view;
|
|
let projectionView = this.projectionView;
|
|
let inverseProjectionView = this.inverseProjectionView;
|
|
let zoom = this.zoom, viewportWidth = this.viewportWidth, viewportHeight = this.viewportHeight;
|
|
projection.ortho(zoom * (-viewportWidth / 2), zoom * (viewportWidth / 2),
|
|
zoom * (-viewportHeight / 2), zoom * (viewportHeight / 2),
|
|
this.near, this.far);
|
|
view.lookAt(this.position, this.direction, this.up);
|
|
projectionView.set(projection.values);
|
|
projectionView.multiply(view);
|
|
inverseProjectionView.set(projectionView.values).invert();
|
|
}
|
|
|
|
screenToWorld (screenCoords: Vector3, screenWidth: number, screenHeight: number) {
|
|
let x = screenCoords.x, y = screenHeight - screenCoords.y - 1;
|
|
let tmp = this.tmp;
|
|
tmp.x = (2 * x) / screenWidth - 1;
|
|
tmp.y = (2 * y) / screenHeight - 1;
|
|
tmp.z = (2 * screenCoords.z) - 1;
|
|
tmp.project(this.inverseProjectionView);
|
|
screenCoords.set(tmp.x, tmp.y, tmp.z);
|
|
return screenCoords;
|
|
}
|
|
|
|
setViewport(viewportWidth: number, viewportHeight: number) {
|
|
this.viewportWidth = viewportWidth;
|
|
this.viewportHeight = viewportHeight;
|
|
}
|
|
}
|
|
}
|