4cade/res/notes/transitions/shr_iris.py

43 lines
1.0 KiB
Python
Executable File

#!/usr/bin/env python3
from math import sqrt, sin, cos, pi
import util
radius_x = 160//2
radius_y = 100//2
def f(t):
return (sqrt(t)*cos(2*pi*sqrt(t)), 0.92*sqrt(t)*sin(2*pi*sqrt(t)))
coords = []
for i in range(1000000):
any = False
a, b = f(float(i)/10.0)
x = round(radius_x+a)
y = round(radius_y+b)
if x < 0 or x >= radius_x or y < 0 or y >= radius_y:
continue
coords.append((y*2,x))
unique_coords = util.unique(coords)
util.write("../../../src/fx/fx.shr.iris.data.a", unique_coords, header="""!cpu 6502
!to "build/FX/SHR.IRIS.DATA",plain
*=$9F00
""", footer=""" !byte 128
""")
unique_coords.reverse()
util.write("../../../src/fx/fx.shr.iris.in.data.a", unique_coords, header="""!cpu 6502
!to "build/FX/SHR.IRISIN.DATA",plain
*=$9F00
""", footer=""" !byte 128
""")
unique_coords.reverse()
util.write("../../../src/fx/fx.shr.ripple.data.a", util.ripple(unique_coords), header="""!cpu 6502
!to "build/FX/SHR.RIPPLE.DATA",plain
*=$9F00
""", footer=""" !byte 128
""")