//flipper
class flipper {
float R,r,D,phi0;
float phi,omega;
float deltaphi=PI/2.6;
float choc=1.2;
float Vpinball = 25;
vec2 v,vt;
vec2 o,m;
vec2 a1,b1,a2,b2;
wall w1,w2 ;
circle c1,c2;
//bar() { };
flipper(vec2 io,float iR,float ir,float iD,float iphi0) {
o = new vec2(io.x,io.y);
R =iR; r = ir; D = iD; phi0 = iphi0;
m = new vec2(D,0);
// rotate the bar
m = add(o,m);
m = rot(m,o,phi0);
// compute the two walls
float L = sqrt(D*D-pow(R-r,2));
a1 = new vec2();
b1 = new vec2();
a1.x = R*(R-r)/D+o.x; a1.y = R*L/D+o.y;
b1.x = r*(R-r)/D+D+o.x; b1.y = r*L/D+o.y;
a1 = rot(a1,o,phi0); b1 = rot(b1,o,phi0);
w1 = new wall(a1.x,a1.y,b1.x,b1.y);
a2 = new vec2();
b2 = new vec2();
a2.x = R*(R-r)/D+o.x; a2.y = -R*L/D+o.y;
b2.x = r*(R-r)/D+D+o.x; b2.y = -r*L/D+o.y;
a2 = rot(a2,o,phi0); b2 = rot(b2,o,phi0);
w2 = new wall(a2.x,a2.y,b2.x,b2.y);
c1 = new circle(o.x,o.y,R);c1.choc =0.5;
c2 = new circle(m.x,m.y,r);c2.choc =0.5;
v =new vec2(0,0);
vt =new vec2(0,0);
omega = 5;
}
void draw() {
strokeWeight(1);
stroke(0,255,0);
fill(255,0,0,100);
beginShape();
vertex(w1.a.x,w1.a.y);
vertex(w1.b.x,w1.b.y);
vertex(w2.b.x,w2.b.y);
vertex(w2.a.x,w2.a.y);
endShape(CLOSE);
noFill();
w1.wg=2; w2.wg = 2;
w1.setcolor(255,0,0);
w2.setcolor(255,0,0);
w1.draw();w2.draw();
//stroke(255,0,0);
strokeWeight(1);
fill(255,0,0);
ellipse(o.x,o.y,2*R,2*R);
ellipse(m.x,m.y,2*r,2*r);
fill(255); stroke(255); strokeWeight(2);
ellipse(o.x,o.y,R,R);
ellipse(m.x,m.y,r,r);
}
void update_motion(float t) {
a1 = rot(a1,o,omega*t);
b1 = rot(b1,o,omega*t);
w1.a.x =a1.x;w1.a.y =a1.y;w1.b.x =b1.x;w1.b.y=b1.y;
w1.omega = omega;
a2 = rot(a2,o,omega*t);
b2 = rot(b2,o,omega*t);
w2.a.x =a2.x;w2.a.y =a2.y;w2.b.x =b2.x;w2.b.y=b2.y;
w2.omega = omega;
m = rot(m,o,omega*t);
c2.p.x = m.x;c2.p.y=m.y;
phi+=omega*t;
}
boolean touch_left() {
for ( int i=0;i< touches.length;i++)
if (touches[i].x>width/2) return true;
return false;
}
boolean touch_right() {
for ( int i=0;i< touches.length;i++)
if (touches[i].x<width/2) return true;
return false;
}
void control_right( char c) {
if (/*touchIsStarted*/touch_left() ) {
// if (!sound_pinball.isPlaying()) sound_pinball.play();
if (phi>=phi0+deltaphi) omega=0; else omega=Vpinball;
} else {
if (phi<=phi0) omega=0; else omega=-Vpinball;
}}
void control_left( char c) {
if (/*touchIsStarted*/ touch_right()) {
// sound_pinball.stop();
// if (!sound_pinball.isPlaying()2) sound_pinball.play();
if (phi<=(phi0-deltaphi)) omega=0; else omega=-Vpinball;
} else {
if (phi>=phi0) omega=0; else omega=Vpinball;
}
}
boolean collision(ball b) {
return w1.collision(b) || w2.collision(b) || c1.collision(b) || c2.collision(b);
}
}
