Veränderbare Komposition
Segmente[] objekt = new Segmente[6];
void setup() {
size(800, 800); smooth(); noStroke(); frameRate(5); colorMode(HSB,360,100,100,100); for (int i=0; i < objekt.length; i++) { objekt[i] = new Segmente(); objekt[i].x = random(100,width-100); objekt[i].y = random(100,height-100); objekt[i].seg = (int)random(6); objekt[i].r = 100; objekt[i].g = 90; // Richtung nach oben objekt[i].h = (int)random(360); objekt[i].s = 100; objekt[i].b = 100; objekt[i].a = 100; objekt[i].mouseOver = false; objekt[i].visible = false; }
}
void draw() {
background(0); for (int i=0; i < objekt.length; i++) { if (objekt[i].visible == true) { objekt[i].maleSegmente(); } } for (int i=0; i < objekt.length; i++) { if ((mouseX >= objekt[i].x-objekt[i].r) && (mouseX <= objekt[i].x+objekt[i].r) && (mouseY >= objekt[i].y-objekt[i].r) && (mouseY <= objekt[i].y+objekt[i].r)) { objekt[i].mouseOver = true; }else { objekt[i].mouseOver = false; } }
}
void mouseDragged() {
for (int i=objekt.length-1; i >= 0 ; i--) { if (objekt[i].mouseOver == true) { objekt[i].x = mouseX; objekt[i].y = mouseY; break; } }
}
void keyPressed() {
int k = (int)key-48-1; if ((k >= 0) && (k < objekt.length)) { objekt[k].visible = true; } if (key == CODED) { for (int i=0; i < objekt.length; i++) { if (objekt[i].mouseOver == true) { if (keyCode == UP) { if (objekt[i].seg <= 100) { objekt[i].seg += 1; } } if (keyCode == DOWN) { if (objekt[i].seg >= 1) { objekt[i].seg -= 1; } } if (keyCode == RIGHT) { if (objekt[i].h <= 360) { objekt[i].h += 1; } } if (keyCode == LEFT) { if (objekt[i].h >= 1) { objekt[i].h -= 1; } } } } } for (int i=0; i < objekt.length; i++) { if (objekt[i].mouseOver == true) { if (key == ',') { if (objekt[i].r <= 200) { objekt[i].r += 1; } } if (key == '.') { if (objekt[i].r >= 50) { objekt[i].r -= 1; } } if (key == '+') { if (objekt[i].a <= 100) { objekt[i].a += 1; } } if (key == '-') { if (objekt[i].a >= 10) { objekt[i].a -= 1; } } } } if (key == ENTER || key == RETURN) { for (int i=0; i < objekt.length; i++) { objekt[i].x = random(width); objekt[i].y = random(height); switch((int)random(4)) { case 0: objekt[i].seg = (int)random(6); break; case 1: objekt[i].seg = (int)random(6,12); break; case 3: objekt[i].seg = (int)random(12,100); break; default: break; } objekt[i].r = (int)random(50,100); objekt[i].h = (int)random(360); objekt[i].a = (int)random(50,100); } }
}
Segmente
class Segmente {
float x; // X-Position float y; // Y-Position int seg; // Segmentzähler int r; // Radius float g; // Richtung bzw. Grad boolean mouseOver; //Maus über dem Objekt boolean visible; //Objekt sichtbar int h,s,b,a; // Farbe HSB und Alpha Segmente() { println("Segmente erstellt!"); } void maleSegmente() { fill(h,s,b,a); maleSegmente(seg,r,g,x,y); } void maleSegmente(int seg,int r,float g,float x,float y) { float segmentzahl = 3 + (float)seg; float angleStep = 360/segmentzahl; beginShape(); vertex(x, y); for (float angle=0; angle<=360; angle+=angleStep) { float vx = x + cos(radians(angle-g))*r; float vy = y + sin(radians(angle-g))*r; vertex(vx, vy); } vertex(x + cos(radians(360-g))*r, y + sin(radians(360-g))*r); endShape(); }
}