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/*
 * The MIT License
 *
 * Copyright 2017-2018 Lars Ivar Hatledal
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING  FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

@file:JsQualifier("THREE")

package info.laht.threekt.math

import info.laht.threekt.core.BufferAttribute

open external class Matrix3 {

    var elements: DoubleArray

    fun set(n11: Number, n12: Number, n13: Number,
            n21: Number, n22: Number, n23: Number,
            n31: Number, n32: Number, n33: Number) : Matrix3

    fun identity(): Matrix3

    fun clone () : Matrix3
    fun copy ( m: Matrix3) : Matrix3

    fun setFromMatrix4(m: Matrix4) : Matrix3

    fun applyToBufferAttribute (attribute: BufferAttribute)

    fun multiply ( m: Matrix3 ): Matrix3

    fun premultiply ( m: Matrix3 ): Matrix3

    fun multiplyMatrices(a: Matrix3, b: Matrix3) : Matrix3

    fun multiplyScalar ( s: Number ): Matrix3

    fun determinant () : Double

    fun getInverse(matrix: Matrix3, throwOnDegenerate : Boolean = definedExternally) : Matrix3

    fun transpose (): Matrix3

    fun getNormalMatrix ( matrix4: Matrix4 ) : Matrix3

    fun transposeIntoArray ( r: DoubleArray) : Matrix3

    fun setUvTransform ( tx: Number, ty: Number, sx: Number, sy: Number, rotation: Number, cx: Number, cy: Number )

    fun scale ( sx: Number, sy: Number ): Matrix3

    fun rotate ( theta: Number ): Matrix3
    fun translate ( tx: Number, ty: Number ): Matrix3

    fun equals ( matrix: Matrix3 ) : Boolean

    fun fromArray ( array: DoubleArray, offset: Int = definedExternally ) : Matrix3

    fun toArray ( array : DoubleArray = definedExternally, offset: Int = definedExternally ) : DoubleArray
    
}