feat(cameras): OrthographicCamera

sakitam-gis · May 22, 2022 · 22a7771 · 22a7771
1 parent 649b8ec
commit 22a7771
Showing 1 changed file with 35 additions and 0 deletions.
diff --git a/src/cameras/OrthographicCamera.ts b/src/cameras/OrthographicCamera.ts
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+import Camera from './Camera';
+
+export default class OrthographicCamera extends Camera {
+  constructor(left, right, top, bottom, near, far, zoom = 1) {
+    super({
+      bounds: {
+        left,
+        right,
+        top,
+        bottom,
+      },
+      near,
+      far,
+      zoom,
+    });
+  }
+
+  updateProjectionMatrix() {
+    const {
+      left,
+      right,
+      top,
+      bottom,
+    } = this.bounds;
+    const { zoom } = this;
+    this.projectionMatrix.orthographic(
+      left / zoom,
+      right / zoom,
+      top / zoom,
+      bottom / zoom,
+      this.near,
+      this.far,
+    );
+  }
+}