Code Sketch

size(600, 600)
originBottomLeft
cleari()
val tilecount= 10
val tileheight = cheight/tilecount
val tilewidth = cwidth/tilecount
def Shape = Picture{
    repeatFor(20 to 100) { e =>
        forward(e)
        right(91)
    }
}
def block(posx:Double, posy:Double){
    val pic =Shape
    pic.setPosition(posx, posy)
    pic.setFillColor(randomColor.fadeOut(0.5))
    val a = mathx.angle(posx, posy, mouseX, mouseY)
    val d = mathx.distance(posx, posy, mouseX, mouseY)
    val f = mathx.map(d, 0, 500, 0.2, .7)
    pic.scale(f)
    pic.setPenColor(cm.lavenderBlush.fadeOut(f))
    pic.rotate(a)
    draw(pic)
}
drawLoop {
    erasePictures
    repeatFor(rangeTill(0, cwidth, tilewidth)) { posx =>
        repeatFor(rangeTill(0, cheight, tileheight)) { posy =>
            block(posx, posy)
        }
    }
}