Android Open Source - CircleWorldGDX Mathf

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From Project

Back to project page CircleWorldGDX.

License

The source code is released under:

MIT License

Java Source Code

package com.fdangelo.circleworld.utils;
//from  w w  w . ja v  a2 s .co  m
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;

//Replacement for functions in Unity.Mathf
public class Mathf {
  static public float lerp(final float from, final float to, final float t) {
    return from + (to - from) * t;
  }

  static private Vector2 tmplerpv2 = new Vector2();

  static public Vector2 lerp(final Vector2 from, final Vector2 to, final float t) {
    tmplerpv2.set(to.x - from.x, to.y - from.y);
    tmplerpv2.scl(t);
    tmplerpv2.add(from);
    return tmplerpv2;
  }

  static private Vector3 tmplerpv3 = new Vector3();

  static public Vector3 lerp(final Vector3 from, final Vector3 to, final float t) {
    tmplerpv3.set(to.x - from.x, to.y - from.y, to.z - from.z);
    tmplerpv3.scl(t);
    tmplerpv3.add(from);
    return tmplerpv3;
  }

  static public float Sign(final float v) {
    if (v >= 0.0f) {
      return 1.0f;
    } else {
      return -1.0f;
    }
  }

  static public float len(final float dx, final float dy) {
    return (float) Math.sqrt(dx * dx + dy * dy);
  }

  static public float atan2(final float dy, final float dx) {
    return (float) Math.atan2(dy, dx);
  }

  static public float sin(final float rad) {
    return (float) Math.sin(rad);
  }

  static public float cos(final float rad) {
    return (float) Math.cos(rad);
  }
}

Java Source Code List

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