124 lines
3.4 KiB
Java
124 lines
3.4 KiB
Java
package com.mojang.math;
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import net.minecraft.util.Mth;
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public class Vector4f {
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private float x;
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private float y;
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private float z;
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private float w;
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public Vector4f() {
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}
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public Vector4f(final float float1, final float float2, final float float3, final float float4) {
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this.x = float1;
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this.y = float2;
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this.z = float3;
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this.w = float4;
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}
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public Vector4f(final Vector3f g) {
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this(g.x(), g.y(), g.z(), 1.0f);
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}
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@Override
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public boolean equals(final Object object) {
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if (this == object) {
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return true;
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}
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if (object == null || this.getClass() != object.getClass()) {
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return false;
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}
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final Vector4f h3 = (Vector4f)object;
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return Float.compare(h3.x, this.x) == 0 && Float.compare(h3.y, this.y) == 0 && Float.compare(h3.z, this.z) == 0 && Float.compare(h3.w, this.w) == 0;
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}
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@Override
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public int hashCode() {
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int integer2 = Float.floatToIntBits(this.x);
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integer2 = 31 * integer2 + Float.floatToIntBits(this.y);
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integer2 = 31 * integer2 + Float.floatToIntBits(this.z);
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integer2 = 31 * integer2 + Float.floatToIntBits(this.w);
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return integer2;
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}
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public float x() {
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return this.x;
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}
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public float y() {
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return this.y;
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}
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public float z() {
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return this.z;
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}
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public float w() {
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return this.w;
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}
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public void mul(final Vector3f g) {
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this.x *= g.x();
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this.y *= g.y();
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this.z *= g.z();
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}
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public void set(final float float1, final float float2, final float float3, final float float4) {
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this.x = float1;
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this.y = float2;
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this.z = float3;
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this.w = float4;
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}
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public float dot(final Vector4f h) {
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return this.x * h.x + this.y * h.y + this.z * h.z + this.w * h.w;
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}
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public boolean normalize() {
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final float float2 = this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;
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if (float2 < 1.0E-5) {
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return false;
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}
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final float float3 = Mth.fastInvSqrt(float2);
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this.x *= float3;
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this.y *= float3;
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this.z *= float3;
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this.w *= float3;
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return true;
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}
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public void transform(final Matrix4f b) {
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final float float3 = this.x;
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final float float4 = this.y;
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final float float5 = this.z;
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final float float6 = this.w;
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this.x = b.m00 * float3 + b.m01 * float4 + b.m02 * float5 + b.m03 * float6;
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this.y = b.m10 * float3 + b.m11 * float4 + b.m12 * float5 + b.m13 * float6;
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this.z = b.m20 * float3 + b.m21 * float4 + b.m22 * float5 + b.m23 * float6;
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this.w = b.m30 * float3 + b.m31 * float4 + b.m32 * float5 + b.m33 * float6;
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}
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public void transform(final Quaternion d) {
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final Quaternion d2 = new Quaternion(d);
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d2.mul(new Quaternion(this.x(), this.y(), this.z(), 0.0f));
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final Quaternion d3 = new Quaternion(d);
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d3.conj();
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d2.mul(d3);
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this.set(d2.i(), d2.j(), d2.k(), this.w());
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}
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public void perspectiveDivide() {
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this.x /= this.w;
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this.y /= this.w;
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this.z /= this.w;
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this.w = 1.0f;
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}
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@Override
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public String toString() {
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return "[" + this.x + ", " + this.y + ", " + this.z + ", " + this.w + "]";
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}
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}
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