de.bixilon.kotlinglm.mat4x3.Mat4x3.kt Maven / Gradle / Ivy
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Kotlin port of OpenGL Mathematics (GLM)
package de.bixilon.kotlinglm.mat4x3
/**
* Created by GBarbieri on 09.12.2016.
*/
import de.bixilon.kotlinglm.*
import de.bixilon.kotlinglm.vec3.Vec3
import de.bixilon.kotlinglm.vec3.Vec3t
import kool.BYTES
import kool.set
import java.nio.ByteBuffer
import java.nio.FloatBuffer
class Mat4x3(var array: FloatArray) : Mat4x3t(), ToFloatBuffer {
constructor(list: Iterable<*>, index: Int = 0) : this(FloatArray(12) { list.elementAt(index + it)!!.toFloat })
// -- Accesses --
override operator fun get(index: Int) = Vec3(index * 3, array)
override operator fun get(column: Int, row: Int) = array[column * 3 + row]
override operator fun set(column: Int, row: Int, value: Float) = array.set(column * 3 + row, value)
override operator fun set(index: Int, value: Vec3t) {
array[index * 3] = value.x.f
array[index * 3 + 1] = value.y.f
array[index * 3 + 2] = value.z.f
}
operator fun set(i: Int, v: Vec3) {
v.to(array, i * 3)
}
fun toFloatArray(): FloatArray = to(FloatArray(length), 0)
infix fun to(floats: FloatArray): FloatArray = to(floats, 0)
fun to(floats: FloatArray, index: Int): FloatArray {
System.arraycopy(array, 0, floats, index, length)
return floats
}
override fun to(buf: ByteBuffer, offset: Int): ByteBuffer {
return buf
.putFloat(offset + 0 * Float.BYTES, array[0])
.putFloat(offset + 1 * Float.BYTES, array[1])
.putFloat(offset + 2 * Float.BYTES, array[2])
.putFloat(offset + 3 * Float.BYTES, array[3])
.putFloat(offset + 4 * Float.BYTES, array[4])
.putFloat(offset + 5 * Float.BYTES, array[5])
.putFloat(offset + 6 * Float.BYTES, array[6])
.putFloat(offset + 7 * Float.BYTES, array[7])
.putFloat(offset + 8 * Float.BYTES, array[8])
.putFloat(offset + 9 * Float.BYTES, array[9])
.putFloat(offset + 10 * Float.BYTES, array[10])
.putFloat(offset + 11 * Float.BYTES, array[11])
}
override fun to(buf: FloatBuffer, offset: Int): FloatBuffer {
buf[offset + 0] = array[0]
buf[offset + 1] = array[1]
buf[offset + 2] = array[2]
buf[offset + 3] = array[3]
buf[offset + 4] = array[4]
buf[offset + 5] = array[5]
buf[offset + 6] = array[6]
buf[offset + 7] = array[7]
buf[offset + 8] = array[8]
buf[offset + 9] = array[9]
buf[offset + 10] = array[10]
buf[offset + 11] = array[11]
return buf
}
override var a0: Float
get() = array[0]
set(v) = array.set(0, v)
override var a1: Float
get() = array[1]
set(v) = array.set(1, v)
override var a2: Float
get() = array[2]
set(v) = array.set(2, v)
override var b0: Float
get() = array[3]
set(v) = array.set(3, v)
override var b1: Float
get() = array[4]
set(v) = array.set(4, v)
override var b2: Float
get() = array[5]
set(v) = array.set(5, v)
override var c0: Float
get() = array[6]
set(v) = array.set(6, v)
override var c1: Float
get() = array[7]
set(v) = array.set(7, v)
override var c2: Float
get() = array[8]
set(v) = array.set(8, v)
override var d0: Float
get() = array[9]
set(v) = array.set(9, v)
override var d1: Float
get() = array[10]
set(v) = array.set(10, v)
override var d2: Float
get() = array[11]
set(v) = array.set(11, v)
companion object {
const val length = Mat4x3t.length
@JvmField
val size = length * Float.BYTES
}
override fun size() = size
override fun elementCount() = length
override fun equals(other: Any?) = other is Mat4x3 && array.contentEquals(other.array)
override fun hashCode() = 31 * (31 * (31 * this[0].hashCode() + this[1].hashCode()) + this[2].hashCode()) + this[3].hashCode()
}