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feature: add eulerFromMat4, eulerFromQuaternion
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import { eulerFromMat3 } from './eulerFromMat3'; | ||
import { mat3FromMat4 } from '../mat3/mat3FromMat4'; | ||
import type { EulerOrder } from './EulerOrder'; | ||
import type { RawMatrix4 } from '../mat4/RawMatrix4'; | ||
import type { RawVector3 } from '../vec3/RawVector3'; | ||
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/** | ||
* Return a euler angles out of a matrix4. | ||
* Make sure the input matrix is normalized. | ||
* | ||
* @param m An input rotation matrix | ||
* @param order An order of output euler angles. Assume as `XYZ` if not specified | ||
*/ | ||
export function eulerFromMat4( m: RawMatrix4, order?: EulerOrder ): RawVector3 { | ||
return eulerFromMat3( mat3FromMat4( m ), order ); | ||
} |
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import { eulerFromMat3 } from './eulerFromMat3'; | ||
import { mat3FromQuaternion } from '../mat3/mat3FromQuaternion'; | ||
import type { EulerOrder } from './EulerOrder'; | ||
import type { RawQuaternion } from '../quat/RawQuaternion'; | ||
import type { RawVector3 } from '../vec3/RawVector3'; | ||
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/** | ||
* Return a euler angles out of a quaternion. | ||
* | ||
* @param m An input quaternion | ||
* @param order An order of output euler angles. Assume as `XYZ` if not specified | ||
*/ | ||
export function eulerFromQuaternion( m: RawQuaternion, order?: EulerOrder ): RawVector3 { | ||
return eulerFromMat3( mat3FromQuaternion( m ), order ); | ||
} |
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export * from './eulerFromMat3'; | ||
export * from './eulerFromMat4'; | ||
export * from './eulerFromQuaternion'; | ||
export * from './EulerOrder'; |
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import '../../../tests/matchers/toBeCloseToArray'; | ||
import { eulerFromMat4 } from '../eulerFromMat4'; | ||
import type { RawMatrix4 } from '../../mat4/RawMatrix4'; | ||
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const mat4X45Y45Z45: RawMatrix4 = [ | ||
0.500, 0.500, -0.707, 0.0, | ||
-0.146, 0.854, 0.500, 0.0, | ||
0.854, -0.146, 0.500, 0.0, | ||
0.0, 0.0, 0.0, 1.0, | ||
]; | ||
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describe( 'eulerFromMat4', () => { | ||
it( 'returns an euler angles out of a matrix4', () => { | ||
const subject = eulerFromMat4( mat4X45Y45Z45, 'XYZ' ); | ||
expect( subject ).toBeCloseToArray( [ 0.785, 0.785, 0.785 ] ); | ||
} ); | ||
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// See eulerFromMat3.test.ts for more in-depth test cases | ||
} ); |
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import '../../../tests/matchers/toBeCloseToArray'; | ||
import { eulerFromQuaternion } from '../eulerFromQuaternion'; | ||
import type { RawQuaternion } from '../../quat/RawQuaternion'; | ||
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const quatX45Y45Z45: RawQuaternion = [ 0.191, 0.461, 0.191, 0.844 ]; | ||
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describe( 'eulerFromQuaternion', () => { | ||
it( 'returns an euler angles out of a quaternion', () => { | ||
const subject = eulerFromQuaternion( quatX45Y45Z45, 'XYZ' ); | ||
expect( subject ).toBeCloseToArray( [ 0.785, 0.785, 0.785 ] ); | ||
} ); | ||
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// See eulerFromMat3.test.ts for more in-depth test cases | ||
} ); |