LogoDrawer.java

package vn.easy.content;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.utils.GdxRuntimeException;

public class LogoDrawer {
	private final static int[][] qpLogo = {
		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
		{0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1},
		{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1},
		{1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1},
		{1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1},
		{1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1},
		{1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1},
		{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1},
		{0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1},
		{0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1},
		{0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1},
		{0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1},
		{0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0},
		{0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0},
		{0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
		{0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
		{0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
		{0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
	};
	private final String qpText = "http://qplay.vn";
	
	private static float SLEEP_INTERVAL = 0.1f;
	private float mCountTime = 0;
	
	public static final byte FAST_ANIMATING = 1;
	public static final byte NORMAL_ANIMATING = 2;
	public static final byte SLOW_ANIMATING = 3;
	
	//	===============================================
	
	private final float[] color = {0,0,0}; 
	
	private int i = 1, t = 0  , left , top;
	private final int rd, width , height  ;
	
	private int x = 0, y = 0, xText = 0, yText = 0;
	
	private final int mPixelSize ;
	private final int mPixelDistance ;
	
	private final float sizeText;
	
	private boolean mStopAnimation = false;
	private boolean isRunning = false;
	
	// switch between two animation
	private boolean changed = false;
	
	//	===============================================
	
	private final ShapeRenderer renderer;
	private Runnable mCompleteListener = null;
	
	public LogoDrawer(){
		renderer = new ShapeRenderer();
		
		/*	===============================	*/

		i = 1;
		rd =MathUtils.random(0, 2);

		/*	===============================	*/

		width = Gdx.graphics.getWidth();
		height =Gdx.graphics.getHeight();
		
		renderer.setProjectionMatrix(new Matrix4().setToOrtho2D(0, height, width, -height));

		/*	===============================	*/

		int sizeLarge = (width < height) ? width : height;
		if (sizeLarge >= 480) {
			mPixelDistance = 10;
			mPixelSize = 5;
			sizeText = 25f * qpText.length();
		} else if (sizeLarge >= 320) {
			mPixelDistance = 6;
			mPixelSize = 3;
			sizeText = 18f * qpText.length();
		} else {
			mPixelDistance = 4;
			mPixelSize = 2;
			sizeText = 12f * qpText.length();
		}
		
		x = width >> 1;
		y = height >> 1;
		x = x - 36 * (mPixelDistance) / 2;
		y = (int) ((float) height * 0.382) - 20 * mPixelDistance / 2;
		xText = (int) ((width >> 1) - sizeText/2);
		yText = (int) ((float) height * 0.764f - sizeText / 2);
		left = x;
		top = y;
	}
	
	/******************************************************
	 * 
	 ******************************************************/
	
	public void draw(float delta){
		drawLogoQplay();
		update(delta);
	}
	
	private void drawLogoQplay(){
		if(i <= 0)
			return;
		renderer.begin(ShapeType.FilledRectangle);
		renderer.setColor(color[0], color[1], color[2], 1);
		if (rd == 0) {
			for(int q=1;q<=35-(11-i)*3;q++){
				for(int p=1;p<=20;p++){
					if(qpLogo[p-1][q-1]==1) {
						left = q * mPixelDistance + x;
						top = p * mPixelDistance + y;
						renderer.filledRect(left, top, mPixelSize,  mPixelSize);
					}
				}
			}
		} 
		else if (rd == 1) {
			for(int q=1;q<=35;q++){
				for(int p=1;p<=20-(11-i)*2;p++){
					if(qpLogo[p-1][q-1]==1) {
						left = q * mPixelDistance + x;
						top = p * mPixelDistance + y;
						renderer.filledRect(left, top, mPixelSize, mPixelSize);
					}
				}
			}
		} else {
			for(int q=1;q<=35-(11-i)*3;q++){
				for(int p=1;p<=20-(11-i)*2;p++){
					if(qpLogo[p-1][q-1]==1) {
						left = q * mPixelDistance + x;
						top = p * mPixelDistance + y;
						renderer.filledRect(left, top, mPixelSize, mPixelSize);
					}
				}
			}
		}
		renderer.end();
	}
	
	private void update(float delta){
		if (mStopAnimation) return;
		
		isRunning = true;
		
		mCountTime+= delta;
		if(mCountTime >= SLEEP_INTERVAL){
			mCountTime = 0;
			if (i > 0) {
 				if ((i <= 11) && !changed) {
                	color[0] = (float)(i * 20 + 30)/255;
                	color[1] = (float)(i * 15)/255;
                	color[2] = 0;
                
					if(i<11)
						i++;
					if (i == 11) {
						if(t<10)
							t++;
						else
							changed = true;
					}
				} else if (changed) {
					i--;
					color[0] = (float)(i * 20 + 30)/255;
                	color[1] = (float)(i * 15)/255;
                	color[2] = 0;
				}
 			}
		}
		
		if(changed && i == 0 ){
			stopAnimation();
		}
	}
	
	/******************************************************
	 * 
	 ******************************************************/

	public void postCompleteAction(Runnable runnable){
		if(isRunning)
			throw new GdxRuntimeException("You can not config the LogoDrawer while it is drawing");
		this.mCompleteListener = runnable;
	}
	
	public void stopAnimation(){
		mStopAnimation = true;
		isRunning = false;
		renderer.dispose();
		if(mCompleteListener != null)
			mCompleteListener.run();
	}
	
	public void setDuration(byte logoDuration){
		if(isRunning)
			throw new GdxRuntimeException("You can not config the LogoDrawer while it is drawing");
		
		switch (logoDuration) {
			case FAST_ANIMATING:
				SLEEP_INTERVAL = 0.066f;
				break;
			case SLOW_ANIMATING:
				SLEEP_INTERVAL = 0.13f;
				break;
			default:
				SLEEP_INTERVAL = 0.1f;
		}
	}

	public boolean isRunning(){
		return isRunning;
	}
}