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confirmation that some tricks would not work

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minjaesong
2021-08-14 17:02:54 +09:00
parent 168e4f08b5
commit 3d5bb55514
3 changed files with 46 additions and 18 deletions
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21
src/net/torvald/gdx/graphics/UnsafeCvecArray.kt
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@@ -76,6 +76,27 @@ internal class UnsafeCvecArray(val width: Int, val height: Int) {
setA(x, y, getA(x, y) * scalar)
}
fun mulAndAssign(x: Int, y: Int, scalar: Float) {
val addr = toAddr(x, y)
for (k in 0..3) {
array.setFloat(addr + 4*k, (array.getFloat(addr + 4*k) * scalar))
}
}
fun forAllMulAssign(scalar: Float) {
for (i in 0 until TOTAL_SIZE_IN_BYTES step 4) {
array.setFloat(i, array.getFloat(i) * scalar)
}
}
fun forAllMulAssign(vector: Cvec) {
for (i in 0 until TOTAL_SIZE_IN_BYTES step 16) {
for (k in 0 until 4) {
array.setFloat(i + 4*k, array.getFloat(i + 4*k) * vector.getElem(k))
}
}
}
fun destroy() = this.array.destroy()
}