39 lines
1.4 KiB
Java
39 lines
1.4 KiB
Java
package at.petrak.hexcasting.api.addldata;
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import at.petrak.hexcasting.api.pigment.ColorProvider;
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import net.minecraft.util.FastColor;
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import net.minecraft.util.Mth;
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import net.minecraft.world.phys.Vec3;
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import java.util.UUID;
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public interface ADColorizer {
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ColorProvider provideColor(UUID owner);
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static int morphBetweenColors(int[] colors, Vec3 gradientDir, float time, Vec3 position) {
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float fIdx = Mth.positiveModulo(time + (float) gradientDir.dot(position), 1f) * colors.length;
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int baseIdx = Mth.floor(fIdx);
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float tRaw = fIdx - baseIdx;
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float t = tRaw < 0.5 ? 4 * tRaw * tRaw * tRaw : (float) (1 - Math.pow(-2 * tRaw + 2, 3) / 2);
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int start = colors[baseIdx % colors.length];
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int end = colors[(baseIdx + 1) % colors.length];
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var r1 = FastColor.ARGB32.red(start);
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var g1 = FastColor.ARGB32.green(start);
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var b1 = FastColor.ARGB32.blue(start);
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var a1 = FastColor.ARGB32.alpha(start);
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var r2 = FastColor.ARGB32.red(end);
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var g2 = FastColor.ARGB32.green(end);
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var b2 = FastColor.ARGB32.blue(end);
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var a2 = FastColor.ARGB32.alpha(end);
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var r = Mth.lerp(t, r1, r2);
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var g = Mth.lerp(t, g1, g2);
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var b = Mth.lerp(t, b1, b2);
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var a = Mth.lerp(t, a1, a2);
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return FastColor.ARGB32.color((int) a, (int) r, (int) g, (int) b);
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}
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}
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