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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| import { Quaternion } from "../math/Quaternion"; | ||
| import { Matrix3 } from "../math/Matrix3"; | ||
| import { Matrix4 } from "../math/Matrix4"; | ||
| import { Vector3 } from "../math/Vector3"; | ||
|
|
||
| class CameraData { | ||
| private _fx: number = 1132; | ||
| private _fy: number = 1132; | ||
| private _near: number = 0.1; | ||
| private _far: number = 100; | ||
|
|
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| private _width: number = 512; | ||
| private _height: number = 512; | ||
|
|
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| private _projectionMatrix: Matrix4 = new Matrix4(); | ||
| private _viewMatrix: Matrix4 = new Matrix4(); | ||
| private _viewProj: Matrix4 = new Matrix4(); | ||
|
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| update: (position: Vector3, rotation: Quaternion) => void; | ||
| setSize: (width: number, height: number) => void; | ||
|
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| private _updateProjectionMatrix: () => void; | ||
|
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| constructor() { | ||
| this._updateProjectionMatrix = () => { | ||
| // prettier-ignore | ||
| this._projectionMatrix = new Matrix4( | ||
| 2 * this.fx / this.width, 0, 0, 0, | ||
| 0, -2 * this.fy / this.height, 0, 0, | ||
| 0, 0, this.far / (this.far - this.near), 1, | ||
| 0, 0, -(this.far * this.near) / (this.far - this.near), 0 | ||
| ); | ||
|
|
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| this._viewProj = this.projectionMatrix.multiply(this.viewMatrix); | ||
| }; | ||
|
|
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| this.update = (position: Vector3, rotation: Quaternion) => { | ||
| const R = Matrix3.RotationFromQuaternion(rotation).buffer; | ||
| const t = position.flat(); | ||
|
|
||
| // prettier-ignore | ||
| this._viewMatrix = new Matrix4( | ||
| R[0], R[1], R[2], 0, | ||
| R[3], R[4], R[5], 0, | ||
| R[6], R[7], R[8], 0, | ||
| -t[0] * R[0] - t[1] * R[3] - t[2] * R[6], | ||
| -t[0] * R[1] - t[1] * R[4] - t[2] * R[7], | ||
| -t[0] * R[2] - t[1] * R[5] - t[2] * R[8], | ||
| 1, | ||
| ); | ||
|
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||
| this._viewProj = this.projectionMatrix.multiply(this.viewMatrix); | ||
| }; | ||
|
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||
| this.setSize = (width: number, height: number) => { | ||
| this._width = width; | ||
| this._height = height; | ||
| this._updateProjectionMatrix(); | ||
| }; | ||
| } | ||
|
|
||
| get fx() { | ||
| return this._fx; | ||
| } | ||
|
|
||
| set fx(fx: number) { | ||
| if (this._fx !== fx) { | ||
| this._fx = fx; | ||
| this._updateProjectionMatrix(); | ||
| } | ||
| } | ||
|
|
||
| get fy() { | ||
| return this._fy; | ||
| } | ||
|
|
||
| set fy(fy: number) { | ||
| if (this._fy !== fy) { | ||
| this._fy = fy; | ||
| this._updateProjectionMatrix(); | ||
| } | ||
| } | ||
|
|
||
| get near() { | ||
| return this._near; | ||
| } | ||
|
|
||
| set near(near: number) { | ||
| if (this._near !== near) { | ||
| this._near = near; | ||
| this._updateProjectionMatrix(); | ||
| } | ||
| } | ||
|
|
||
| get far() { | ||
| return this._far; | ||
| } | ||
|
|
||
| set far(far: number) { | ||
| if (this._far !== far) { | ||
| this._far = far; | ||
| this._updateProjectionMatrix(); | ||
| } | ||
| } | ||
|
|
||
| get width() { | ||
| return this._width; | ||
| } | ||
|
|
||
| get height() { | ||
| return this._height; | ||
| } | ||
|
|
||
| get projectionMatrix() { | ||
| return this._projectionMatrix; | ||
| } | ||
|
|
||
| get viewMatrix() { | ||
| return this._viewMatrix; | ||
| } | ||
|
|
||
| get viewProj() { | ||
| return this._viewProj; | ||
| } | ||
| } | ||
|
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| export { CameraData }; |
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