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[evmacdev]

Originally Posted by ng93

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { //run when the user taps the screen
	UITouch *touch = [touches anyObject]; //the users touch (or first touch if they are using > one finger)
	CGPoint touchPosition = [touch locationInView:self.view]; //the position of the touch
	CGFloat cellHeight = 20; //the width of the individual cells (all cells must be the same width and height for this to work)
	CGFloat cellWidth = 20; //the height of the individual cells
	int amountCellsWidth = 50; //how many cells you have in each row
	int amountCellsHeight = 50; //how many cells you have in each column
	for (int x=0; x<amountCellsWidth; x++) { //repeats the following code for the integer amountCellsWidth
		for (int y=0; y<amountCellsHeight; y++) {//repeats the following code for the integer amountCellsHeight
			if (touchPosition.y > y*cellHeight && touchPosition.y < (y+1)*cellHeight && touchPosition.x > x*cellWidth && touchPosition.x < (x+1)*cellWidth) { //works out if the touch was to the right of the cell's x position, to the left of the cells x position + the cells width, underneath the cells y position and above the cells y position + the cells height
				[cell[x][y] setImage:yourImage]; //sets the tapped cells image to the UIImage yourImage
			}
		}
	}
}

hope this helps
ng93

Thanks will try it