mouseClicked question

Programming Questions

trevor56

in Programming Questions • 7 months ago

Hello,

I am trying to create a program that displays 6 rectangles, that change color when clicked. I have succeeded in drawing the rectangles, and the program responds when you click, but it changes the color of all of the rectangles. I am not sure how to get the program working properly. In the code I have included, I have the program set to change color when the upper left rectangle is pressed. Any advice would be much appreciated!

Copy code

int width = 640;
int height = 480;
float red_channel = 255;
float green_channel = 255;
float blue_channel = 255;
void setup()
{
size(width, height);
}
void draw() {
rect(0, 0, width/3, height/2);
rect((width/3), 0, width/3, height/2);
rect(width-width/3, 0, width/3, height/2);
rect(0, height/2, width/3, height/2);
rect(width/3, height/2, width/3, height/2);
rect(width-width/3, height/2, width/3, height/2);
}
void mouseClicked()
{
if(mouseX < width/3 && mouseY < height/2)
{
red_channel = random(0, 255);
green_channel = random(0, 255);
blue_channel = random(0, 255);
fill(red_channel, green_channel, blue_channel);
rect(0, 0, width/3, height/2);
}
}

Thanks,

Trevor

Replies(1)

asimes

Re: mouseClicked question

7 months ago

You only have one fill() in the code. If you put unique fill()s before each rect() that would solve your problem. Like this:

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fill(r1, g1, b1);
rect(x1, y1, w1, h1);
fill(r2, g2, b2);
rect(x2, y2, w2, h2);
// etc...

On a side note, width and height are built into Processing. If you delete your width and height variables then write:

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size(640, 480);

Your code still work and make correct use of width and height

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