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ReactNativeTransformHelper
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import MatrixMath from 'react-native/Libraries/Utilities/MatrixMath'; | |
class TransformUtil { | |
constructor(matrix) { | |
this.matrix = matrix || MatrixMath.createIdentityMatrix(); | |
} | |
perpective(x) { | |
MatrixMath.reusePerspectiveCommand(this.matrix, x) | |
return this; | |
} | |
translate(x = 0,y = 0,z = 0) { | |
MatrixMath.reuseTranslate3dCommand(this.matrix, x,y,z) | |
return this; | |
} | |
scale(x = 0,y = 0,z = 0) { | |
if (!y && !z) { | |
y = x; | |
z = x; | |
} | |
MatrixMath.reuseScale3dCommand(this.matrix, x,y,z); | |
return this; | |
} | |
rotate(x = 0, y = 0, z = 0) { | |
MatrixMath.reuseRotateXCommand(this.matrix, (Math.PI / 180) * x); | |
MatrixMath.reuseRotateYCommand(this.matrix, (Math.PI / 180) * y); | |
MatrixMath.reuseRotateZCommand(this.matrix, (Math.PI / 180) * z); | |
return this; | |
} | |
skew(x = 0, y = 0) { | |
MatrixMath.reuseSkewXCommand(this.matrix, (Math.PI / 180) * x); | |
MatrixMath.reuseSkewYCommand(this.matrix, (Math.PI / 180) * y); | |
return this; | |
} | |
origin(x = 0, y = 0, z = 0) { | |
const translate = MatrixMath.createIdentityMatrix(); | |
MatrixMath.reuseTranslate3dCommand(translate, x, y, z); | |
MatrixMath.multiplyInto(this.matrix, translate, this.matrix); | |
const untranslate = MatrixMath.createIdentityMatrix(); | |
MatrixMath.reuseTranslate3dCommand(untranslate, -x, -y, -z); | |
MatrixMath.multiplyInto(this.matrix, this.matrix, untranslate); | |
return this; | |
} | |
} | |
export function transform(matrix) { | |
return new TransformUtil(); | |
} |
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