#!/usr/bin/env python3 from math import sqrt, sin, cos, acos, pi def f(t, k): t = float(t) r = k*(1-cos(t)*sin(3*t)) return r*cos(t),r*sin(t) coords = [] for k_mul in range(3013): print(k_mul) for t_mul in range(int(pi*100+1)): a, b = f(float(t_mul/10), float(k_mul)/10.0) x = round(20+a*.6) y = round(24+b) if x < 0 or x > 39 or y < 0 or y > 47 or (x,y) in coords: continue coords.append((x,y)) L = len(coords) q1 = coords[0:L//4] q2 = coords[L//4:L//2] q3 = coords[L//2:L*3//4] q4 = coords[L*3//4:] q1.reverse() q3.reverse() coords = [] for cs in zip(q1, q2, q3, q4): for c in cs: coords.append(c) coords.append((255,255)) with open("../../src/fx/fx.hgr.ripple2.data.a", "w") as f: for x, y in coords: f.write(" !byte %s,%s\n" % (y,x))