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node_modules/@esotericsoftware/spine-webgl/dist/Camera.js

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated April 5, 2025. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2025, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 LLC 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
+ * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+import { Matrix4 } from "./Matrix4.js";
+import { Vector3 } from "./Vector3.js";
+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();
+    constructor(viewportWidth, viewportHeight) {
+        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, screenWidth, screenHeight) {
+        let x = screenCoords.x, y = screenHeight - screenCoords.y - 1;
+        screenCoords.x = (2 * x) / screenWidth - 1;
+        screenCoords.y = (2 * y) / screenHeight - 1;
+        screenCoords.z = (2 * screenCoords.z) - 1;
+        screenCoords.project(this.inverseProjectionView);
+        return screenCoords;
+    }
+    worldToScreen(worldCoords, screenWidth, screenHeight) {
+        worldCoords.project(this.projectionView);
+        worldCoords.x = screenWidth * (worldCoords.x + 1) / 2;
+        worldCoords.y = screenHeight * (worldCoords.y + 1) / 2;
+        worldCoords.z = (worldCoords.z + 1) / 2;
+        return worldCoords;
+    }
+    setViewport(viewportWidth, viewportHeight) {
+        this.viewportWidth = viewportWidth;
+        this.viewportHeight = viewportHeight;
+    }
+}
+//# 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