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Inlined array declarations with pre-generated values
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Collin Smith
parent
4c2b8f8d1c
commit
69da1eef24
@ -1,7 +1,5 @@
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package com.riiablo.entity;
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import com.badlogic.gdx.math.MathUtils;
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public class DirectionUtils {
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private DirectionUtils() {}
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@ -15,116 +13,131 @@ public class DirectionUtils {
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public static final int RIGHT = 7;
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static final float RADIANS_4[] = {
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MathUtils.atan2(-4, 0),
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MathUtils.atan2( 0, 8),
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MathUtils.atan2( 4, 0),
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MathUtils.atan2( 0, -8),
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-1.5707964f, // MathUtils.atan2(-4, 0),
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0.0f, // MathUtils.atan2( 0, 8),
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1.5707964f, // MathUtils.atan2( 4, 0),
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3.1415927f, // MathUtils.atan2( 0, -8),
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};
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static final int DIRS_4M[] = {1, 2, 3, 0};
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static final float RADIANS_4M[];
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static {
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static final float RADIANS_4M[] = {
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-2.3561945f, -0.7853982f, 0.7853982f, 2.3561945f,
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};
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/*static {
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RADIANS_4M = new float[4];
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float min = -RADIANS_4[3];
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for (int i = 0; i < 4; i++) {
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RADIANS_4M[i] = (min + RADIANS_4[i]) / 2;
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min = RADIANS_4[i];
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}
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}
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}*/
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static final float RADIANS_8[] = {
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MathUtils.atan2(-2, -4),
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RADIANS_4[0],
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MathUtils.atan2(-2, 4),
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RADIANS_4[1],
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MathUtils.atan2( 2, 4),
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RADIANS_4[2],
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MathUtils.atan2( 2, -4),
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RADIANS_4[3],
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-2.6743030f, // MathUtils.atan2(-2, -4),
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-1.5707964f, // RADIANS_4[0],
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-0.4672897f, // MathUtils.atan2(-2, 4),
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0.0f, // RADIANS_4[1],
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0.4672897f, // MathUtils.atan2( 2, 4),
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1.5707964f, // RADIANS_4[2],
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2.6743030f, // MathUtils.atan2( 2, -4),
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3.1415927f, // RADIANS_4[3],
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};
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static final int DIRS_8M[] = {1, 6, 2, 7, 3, 4, 0, 5};
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static final float RADIANS_8M[];
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static {
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static final float RADIANS_8M[] = {
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-2.907948f, -2.1225498f, -1.019043f, -0.23364484f, 0.23364484f, 1.019043f, 2.1225498f, 2.907948f,
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};
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/*static {
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RADIANS_8M = new float[8];
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float min = -RADIANS_8[7];
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for (int i = 0; i < 8; i++) {
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RADIANS_8M[i] = (min + RADIANS_8[i]) / 2;
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min = RADIANS_8[i];
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}
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}
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}*/
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static final float RADIANS_16[] = {
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MathUtils.atan2(-1, -6),
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RADIANS_8[0],
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MathUtils.atan2(-3, -2),
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RADIANS_8[1],
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MathUtils.atan2(-3, 2),
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RADIANS_8[2],
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MathUtils.atan2(-1, 6),
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RADIANS_8[3],
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MathUtils.atan2( 1, 6),
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RADIANS_8[4],
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MathUtils.atan2( 3, 2),
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RADIANS_8[5],
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MathUtils.atan2( 3, -2),
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RADIANS_8[6],
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MathUtils.atan2( 1, -6),
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RADIANS_8[7],
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-2.97621230f, // MathUtils.atan2(-1, -6),
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-2.67430300f, // RADIANS_8[0],
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-2.16368170f, // MathUtils.atan2(-3, -2),
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-1.57079640f, // RADIANS_8[1],
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-0.97791100f, // MathUtils.atan2(-3, 2),
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-0.46728970f, // RADIANS_8[2],
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-0.16538037f, // MathUtils.atan2(-1, 6),
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0.0f, // RADIANS_8[3],
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0.16538037f, // MathUtils.atan2( 1, 6),
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0.46728970f, // RADIANS_8[4],
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0.97791100f, // MathUtils.atan2( 3, 2),
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1.57079640f, // RADIANS_8[5],
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2.16368170f, // MathUtils.atan2( 3, -2),
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2.67430300f, // RADIANS_8[6],
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2.97621230f, // MathUtils.atan2( 1, -6),
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3.14159270f, // RADIANS_8[7],
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};
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static final int DIRS_16M[] = {1, 11, 6, 12, 2, 13, 7, 14, 3, 15, 4, 8, 0, 9, 5, 10};
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static final float RADIANS_16M[];
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static {
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static final float RADIANS_16M[] = {
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-3.0589025f, -2.8252578f, -2.4189925f, -1.867239f, -1.2743537f, -0.72260034f, -0.31633502f,
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-0.08269019f, 0.08269019f, 0.31633502f, 0.72260034f, 1.2743537f, 1.867239f, 2.4189925f,
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2.8252578f, 3.0589025f
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};
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/*static {
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RADIANS_16M = new float[16];
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float min = -RADIANS_16[15];
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for (int i = 0; i < 16; i++) {
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RADIANS_16M[i] = (min + RADIANS_16[i]) / 2;
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min = RADIANS_16[i];
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}
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}
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}*/
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static final float RADIANS_32[] = {
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MathUtils.atan2(-0.5f, -7),
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RADIANS_16[0],
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MathUtils.atan2(-1.5f, -5),
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RADIANS_16[1],
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MathUtils.atan2(-2.5f, -3),
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RADIANS_16[2],
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MathUtils.atan2(-3.5f, -1),
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RADIANS_16[3],
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MathUtils.atan2(-3.5f, 1),
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RADIANS_16[4],
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MathUtils.atan2(-2.5f, 3),
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RADIANS_16[5],
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MathUtils.atan2(-1.5f, 5),
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RADIANS_16[6],
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MathUtils.atan2(-0.5f, 7),
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RADIANS_16[7],
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MathUtils.atan2(0.5f, 7),
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RADIANS_16[8],
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MathUtils.atan2(1.5f, 5),
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RADIANS_16[9],
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MathUtils.atan2(2.5f, 3),
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RADIANS_16[10],
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MathUtils.atan2(3.5f, 1),
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RADIANS_16[11],
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MathUtils.atan2(3.5f, -1),
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RADIANS_16[12],
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MathUtils.atan2(2.5f, -3),
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RADIANS_16[13],
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MathUtils.atan2(1.5f, -5),
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RADIANS_16[14],
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MathUtils.atan2(0.5f, -7),
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RADIANS_16[15],
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-3.07026600f, // MathUtils.atan2(-0.5f, -7),
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-2.97621230f, // RADIANS_16[0],
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-2.84896680f, // MathUtils.atan2(-1.5f, -5),
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-2.67430300f, // RADIANS_16[1],
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-2.44391820f, // MathUtils.atan2(-2.5f, -3),
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-2.16368170f, // RADIANS_16[2],
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-1.85012600f, // MathUtils.atan2(-3.5f, -1),
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-1.57079640f, // RADIANS_16[3],
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-1.29146670f, // MathUtils.atan2(-3.5f, 1),
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-0.97791100f, // RADIANS_16[4],
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-0.69767440f, // MathUtils.atan2(-2.5f, 3),
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-0.46728970f, // RADIANS_16[5],
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-0.29262584f, // MathUtils.atan2(-1.5f, 5),
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-0.16538037f, // RADIANS_16[6],
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-0.07132668f, // MathUtils.atan2(-0.5f, 7),
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0.0f, // RADIANS_16[7],
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0.07132668f, // MathUtils.atan2(0.5f, 7),
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0.16538037f, // RADIANS_16[8],
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0.29262584f, // MathUtils.atan2(1.5f, 5),
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0.46728970f, // RADIANS_16[9],
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0.69767440f, // MathUtils.atan2(2.5f, 3),
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0.97791100f, // RADIANS_16[10],
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1.29146670f, // MathUtils.atan2(3.5f, 1),
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1.57079640f, // RADIANS_16[11],
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1.85012600f, // MathUtils.atan2(3.5f, -1),
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2.16368170f, // RADIANS_16[12],
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2.44391820f, // MathUtils.atan2(2.5f, -3),
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2.67430300f, // RADIANS_16[13],
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2.84896680f, // MathUtils.atan2(1.5f, -5),
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2.97621230f, // RADIANS_16[14],
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3.07026600f, // MathUtils.atan2(0.5f, -7),
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3.14159270f, // RADIANS_16[15],
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};
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static final int DIRS_32M[] = {1, 22, 11, 23, 6, 24, 12, 25, 2, 26, 13, 27, 7, 28, 14, 29, 3, 30, 15, 31, 4, 16, 8, 17, 0, 18, 9, 19, 5, 20, 10, 21};
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static final float RADIANS_32M[];
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static {
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static final float RADIANS_32M[] = {
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-3.1059294f, -3.0232391f, -2.9125896f, -2.7616348f, -2.5591106f, -2.3038f, -2.006904f,
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-1.7104611f, -1.4311316f, -1.1346889f, -0.8377927f, -0.58248204f, -0.37995777f, -0.2290031f,
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-0.11835353f, -0.03566334f, 0.03566334f, 0.11835353f, 0.2290031f, 0.37995777f, 0.58248204f,
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0.8377927f, 1.1346889f, 1.4311316f, 1.7104611f, 2.006904f, 2.3038f, 2.5591106f, 2.7616348f,
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2.9125896f, 3.0232391f, 3.1059294f
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};
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/*static {
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RADIANS_32M = new float[32];
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float min = -RADIANS_32[31];
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for (int i = 0; i < 32; i++) {
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RADIANS_32M[i] = (min + RADIANS_32[i]) / 2;
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min = RADIANS_32[i];
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}
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}
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}*/
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public static int radiansToDirection(float radians, int directions) {
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switch (directions) {
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