Improved performance of Renderer.Reset by factor of 2.

This commit is contained in:
Sascha L. Teichmann 2017-02-24 17:59:41 +01:00
parent f11a9b0593
commit b0a42867d8

View File

@ -152,20 +152,31 @@ func (r *Renderer) SetPos(xOfs, zOfs int16) {
}
func (r *Renderer) Reset() {
for i, n := 0, len(r.yBuffer); i < n; i++ {
r.yBuffer[i] = math.MinInt32
r.cBuffer[i] = -1
yb := r.yBuffer
yb = yb[:len(yb)]
for i := range yb {
yb[i] = math.MinInt32
}
for i, n := 0, len(r.yMin); i < n; i++ {
r.yMin[i] = math.MinInt32
cb := r.cBuffer
cb = cb[:len(cb)]
for i := range cb {
cb[i] = -1
}
ym := r.yMin
ym = ym[:len(ym)]
for i := range ym {
ym[i] = math.MinInt32
}
if r.TransparentBlocks > 0 {
r.TransparentBlocks = 0
for i, t := range r.tBuffer {
tb := r.tBuffer
for i, t := range tb {
if t != nil {
r.spans.FreeAll(t)
r.tBuffer[i] = nil
tb[i] = nil
}
}
}