73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
package net.minecraft.world.phys;
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import com.mojang.serialization.Codec;
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import java.util.List;
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import net.minecraft.Util;
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import net.minecraft.util.Mth;
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public class Vec2 {
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public static final Vec2 ZERO = new Vec2(0.0F, 0.0F);
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public static final Vec2 ONE = new Vec2(1.0F, 1.0F);
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public static final Vec2 UNIT_X = new Vec2(1.0F, 0.0F);
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public static final Vec2 NEG_UNIT_X = new Vec2(-1.0F, 0.0F);
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public static final Vec2 UNIT_Y = new Vec2(0.0F, 1.0F);
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public static final Vec2 NEG_UNIT_Y = new Vec2(0.0F, -1.0F);
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public static final Vec2 MAX = new Vec2(Float.MAX_VALUE, Float.MAX_VALUE);
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public static final Vec2 MIN = new Vec2(Float.MIN_VALUE, Float.MIN_VALUE);
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public static final Codec<Vec2> CODEC = Codec.FLOAT
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.listOf()
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.comapFlatMap(
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p_397436_ -> Util.fixedSize((List<Float>)p_397436_, 2).map(p_397033_ -> new Vec2(p_397033_.get(0), p_397033_.get(1))),
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p_396734_ -> List.of(p_396734_.x, p_396734_.y)
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);
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public final float x;
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public final float y;
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public Vec2(float p_82474_, float p_82475_) {
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this.x = p_82474_;
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this.y = p_82475_;
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}
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public Vec2 scale(float p_165904_) {
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return new Vec2(this.x * p_165904_, this.y * p_165904_);
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}
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public float dot(Vec2 p_165906_) {
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return this.x * p_165906_.x + this.y * p_165906_.y;
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}
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public Vec2 add(Vec2 p_165911_) {
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return new Vec2(this.x + p_165911_.x, this.y + p_165911_.y);
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}
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public Vec2 add(float p_165909_) {
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return new Vec2(this.x + p_165909_, this.y + p_165909_);
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}
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public boolean equals(Vec2 p_82477_) {
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return this.x == p_82477_.x && this.y == p_82477_.y;
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}
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public Vec2 normalized() {
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float f = Mth.sqrt(this.x * this.x + this.y * this.y);
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return f < 1.0E-4F ? ZERO : new Vec2(this.x / f, this.y / f);
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}
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public float length() {
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return Mth.sqrt(this.x * this.x + this.y * this.y);
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}
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public float lengthSquared() {
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return this.x * this.x + this.y * this.y;
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}
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public float distanceToSqr(Vec2 p_165915_) {
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float f = p_165915_.x - this.x;
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float f1 = p_165915_.y - this.y;
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return f * f + f1 * f1;
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}
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public Vec2 negated() {
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return new Vec2(-this.x, -this.y);
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}
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} |