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float col = 0.1;
PVector mouse = new PVector(mouseX,mouseY);

void setup(){
  size(1100,700,P3D);
  background(255);
  smooth(8);
}

void draw(){
  translate(150,-50);
  stroke(0,20);
  if (mousePressed==true){
      curve();
  }
}

void curve(){
  noFill();
  beginShape();
  PVector mouse = new PVector(mouseX,mouseY);
    vertex(mouse.x+250, mouse.y+200);
    bezierVertex(mouse.x/20+100, mouse.y/20+200, mouse.x+142, mouse.y+294.0, mouse.x +142.47238, mouse.y+294.0);
    bezierVertex(mouse.x/2+400, mouse.y/2+150, mouse.y, mouse.x, mouse.x/10-100, mouse.y/10+100);
    bezierVertex(mouse.x+18.0, mouse.y*2, mouse.x, mouse.y, mouse.x, mouse.y);
  endShape();
}