Ach, bin ich doof!
@Marco13 Die exakte Ausgabe lautet dauerhaft :
Checking 0
Alpha is 0
Hier noch einmal richtig:
[code=Java]
/**
* returns the if the two entitys(represented by x, y and the image) are colliding
* @param x1
* @param y1
* @param img1
* @param x2
* @param y2
* @param img2
* @return
*/
public static boolean getAreColliding(int x1, int y1, int w1, int h1, BufferedImage img1, int x2, int y2, int w2, int h2, BufferedImage img2)
{
BufferedImage img11 = new BufferedImage(w1, h1, img1.getType());
BufferedImage img22 = new BufferedImage(w2, h2, img2.getType());
Graphics g1 = img11.getGraphics();
g1.drawImage(img1, w1, h1, null);
Graphics g2 = img22.getGraphics();
g2.drawImage(img2, w2, h2, null);
Rectangle r1 = new Rectangle(x1, y1, w1, h1);
Rectangle r2 = new Rectangle(x2, y2, w2, h2);
//check if both rectangles intersects
if(r1.intersects(r2))
{
for(int x=0; x<w1; x++)
{
for(int y=0; y<h1; y++)//running through pixels of img 1
{
if(isOpaque(img11.getRGB(x, y)))//if pixel at x/y on img 1 isn`t transparent
{
if(isOpaque(img22.getRGB(x, y)))
{
return true;
}
}
}
}
}
return false;
}
protected static boolean isOpaque(int rgb)
{
int alpha = (rgb >> 24) & 0xff;
//red = (rgb >> 16) & 0xff;
//green = (rgb >> 8) & 0xff;
//blue = (rgb ) & 0xff;
if(alpha==0)
{
return false;
}
return true;
}
[/code]
und die erstellung der Bilder
[code=Java]/**
* returns the if the two entitys(represented by x, y and the image) are colliding
* @param x1
* @param y1
* @param img1
* @param x2
* @param y2
* @param img2
* @return
*/
public static boolean getAreColliding(int x1, int y1, int w1, int h1, BufferedImage img1, int x2, int y2, int w2, int h2, BufferedImage img2)
{
BufferedImage img11 = new BufferedImage(w1, h1, img1.getType());
BufferedImage img22 = new BufferedImage(w2, h2, img2.getType());
Graphics g1 = img11.getGraphics();
g1.drawImage(img1, w1, h1, null);
Graphics g2 = img22.getGraphics();
g2.drawImage(img2, w2, h2, null);
Rectangle r1 = new Rectangle(x1, y1, w1, h1);
Rectangle r2 = new Rectangle(x2, y2, w2, h2);
//check if both rectangles intersects
if(r1.intersects(r2))
{
for(int x=0; x<w1; x++)
{
for(int y=0; y<h1; y++)//running through pixels of img 1
{
if(isOpaque(img11.getRGB(x, y)))//if pixel at x/y on img 1 isn`t transparent
{
if(isOpaque(img22.getRGB(x, y)))
{
return true;
}
}
}
}
}
return false;
}
protected static boolean isOpaque(int rgb)
{
int alpha = (rgb >> 24) & 0xff;
//red = (rgb >> 16) & 0xff;
//green = (rgb >> 8) & 0xff;
//blue = (rgb ) & 0xff;
if(alpha==0)
{
return false;
}
return true;
}
[/code]
