Android Open Source - tetris-android Vector2 From Project Back to project page tetris-android .
License The source code is released under:
MIT License
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Java Source Code package com.badlogic.androidgames.framework.math;
/ * f r o m w w w . j a v a 2 s . c o m * /
import android.util.FloatMath;
public class Vector2 {
public static float TO_RADIANS = (1 / 180.0f) * (float )Math.PI;
public static float TO_DEGREES = (1 / (float )Math.PI) * 180;
public float x, y;
public Vector2() {
}
public Vector2(float x, float y) {
this.x = x;
this.y = y;
}
public Vector2(Vector2 other) {
this.x = other.x;
this.y = other.y;
}
public Vector2 cpy() {
return new Vector2(x, y);
}
public Vector2 set(float x, float y) {
this.x = x;
this.y = y;
return this ;
}
public Vector2 set(Vector2 other) {
this.x = other.x;
this.y = other.y;
return this ;
}
public Vector2 add(float x, float y) {
this.x += x;
this.y += y;
return this ;
}
public Vector2 add(Vector2 other) {
this.x += other.x;
this.y += other.y;
return this ;
}
public Vector2 sub(float x, float y) {
this.x -= x;
this.y -= y;
return this ;
}
public Vector2 sub(Vector2 other) {
this.x -= other.x;
this.y -= other.y;
return this ;
}
public Vector2 mul(float scalar) {
this.x *= scalar;
this.y *= scalar;
return this ;
}
public float len() {
return FloatMath.sqrt(x*x + y*y);
}
public Vector2 nor() {
float len = len();
if (len!=0) {
this.x /= len;
this.y /= len;
}
return this ;
}
public float angle() {
float angle = (float )Math.atan2(y, x) * TO_DEGREES;
if (angle < 0)
angle += 360;
return angle;
}
public Vector2 rotate(float angle) {
float rad = angle * TO_RADIANS;
float cos = FloatMath.cos(rad);
float sin = FloatMath.sin(rad);
float newX = this.x * cos - this.y * sin;
float newY = this.x * sin + this.y * cos;
this.x = newX;
this.y = newY;
return this ;
}
public float dist(Vector2 other) {
float distX = this.x - other.x;
float distY = this.y - other.y;
return FloatMath.sqrt(distX*distX + distY*distY);
}
public float dist(float x, float y) {
float distX = this.x - x;
float distY = this.y - y;
return FloatMath.sqrt(distX*distX + distY*distY);
}
public float distSquared(Vector2 other) {
float distX = this.x - other.x;
float distY = this.y - other.y;
return distX*distX + distY*distY;
}
public float distSquared(float x, float y) {
float distX = this.x - x;
float distY = this.y - y;
return distX*distX + distY*distY;
}
}
Java Source Code List com.badlogic.androidgames.framework.Audio.java com.badlogic.androidgames.framework.Color.java com.badlogic.androidgames.framework.DynamicGameObject.java com.badlogic.androidgames.framework.FileIOInternal.java com.badlogic.androidgames.framework.FileIO.java com.badlogic.androidgames.framework.GameObject.java com.badlogic.androidgames.framework.Game.java com.badlogic.androidgames.framework.Graphics.java com.badlogic.androidgames.framework.Input.java com.badlogic.androidgames.framework.Music.java com.badlogic.androidgames.framework.Pixmap.java com.badlogic.androidgames.framework.Pool.java com.badlogic.androidgames.framework.Screen.java com.badlogic.androidgames.framework.Sound.java com.badlogic.androidgames.framework.TestScreen.java com.badlogic.androidgames.framework.gl.Animation.java com.badlogic.androidgames.framework.gl.BTMPFont.java com.badlogic.androidgames.framework.gl.Camera2D.java com.badlogic.androidgames.framework.gl.Font.java com.badlogic.androidgames.framework.gl.SpatialHashGrid.java com.badlogic.androidgames.framework.gl.SpriteBatcher.java com.badlogic.androidgames.framework.gl.TextureRegion.java com.badlogic.androidgames.framework.gl.Texture.java com.badlogic.androidgames.framework.gl.Vertices.java com.badlogic.androidgames.framework.helper.DebugDraw.java com.badlogic.androidgames.framework.helper.FPSCounter.java com.badlogic.androidgames.framework.helper.Logger.java com.badlogic.androidgames.framework.impl.AccelerometerHandler.java com.badlogic.androidgames.framework.impl.AndroidAudio.java com.badlogic.androidgames.framework.impl.AndroidFastRenderView.java com.badlogic.androidgames.framework.impl.AndroidFileIOInternal.java com.badlogic.androidgames.framework.impl.AndroidFileIO.java com.badlogic.androidgames.framework.impl.AndroidGame.java com.badlogic.androidgames.framework.impl.AndroidGraphics.java com.badlogic.androidgames.framework.impl.AndroidInput.java com.badlogic.androidgames.framework.impl.AndroidMusic.java com.badlogic.androidgames.framework.impl.AndroidPixmap.java com.badlogic.androidgames.framework.impl.AndroidSound.java com.badlogic.androidgames.framework.impl.GLGame.java com.badlogic.androidgames.framework.impl.GLGraphics.java com.badlogic.androidgames.framework.impl.GLScreen.java com.badlogic.androidgames.framework.impl.KeyboardHandler.java com.badlogic.androidgames.framework.impl.MultiTouchHandler.java com.badlogic.androidgames.framework.impl.SingleTouchHandler.java com.badlogic.androidgames.framework.impl.TouchHandler.java com.badlogic.androidgames.framework.math.Circle.java com.badlogic.androidgames.framework.math.OverlapTester.java com.badlogic.androidgames.framework.math.Rectangle.java com.badlogic.androidgames.framework.math.Vector2.java com.ultimate39.android.games.tetris.Assets.java com.ultimate39.android.games.tetris.FactoryShape.java com.ultimate39.android.games.tetris.GameScreen.java com.ultimate39.android.games.tetris.MainMenuScreen.java com.ultimate39.android.games.tetris.Settings.java com.ultimate39.android.games.tetris.Shape.java com.ultimate39.android.games.tetris.Square.java com.ultimate39.android.games.tetris.Tetris.java com.ultimate39.android.games.tetris.World.java