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optimize kernel sampler when kernel values are zero

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dfsek
2021-12-07 21:25:49 -07:00
parent 81900d80b5
commit 8ca4e380fa
1 changed files with 8 additions and 2 deletions
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10
common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/samplers/KernelSampler.java
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@@ -32,7 +32,10 @@ public class KernelSampler implements NoiseSampler {
for(int kx = 0; kx < kernel.length; kx++) {
for(int ky = 0; ky < kernel[kx].length; ky++) {
accumulator += in.noise(seed, x + kx, y + ky) * kernel[kx][ky];
double k = kernel[kx][ky];
if(k != 0) {
accumulator += in.noise(seed, x + kx, y + ky) * k;
}
}
}
@@ -48,7 +51,10 @@ public class KernelSampler implements NoiseSampler {
for(int kx = 0; kx < kernel.length; kx++) {
for(int ky = 0; ky < kernel[kx].length; ky++) {
accumulator += in.noise(seed, x + kx, y, z + ky) * kernel[kx][ky];
double k = kernel[kx][ky];
if(k != 0) {
accumulator += in.noise(seed, x + kx, y, z + ky) * k;
}
}
}