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Content import ugfx import time from math import sin,cos,floor,pi try: import deepsleep except ImportError: pass SCREEN_Y = 126 SCREEN_X = 295 SPEED = 10 ROTATION = pi/8 FRAMERATE = 0.2 class DONE(BaseException): pass class Game: def __init__(self): self.surface = 0 self.options = ["4D flat torus","flat Klein bottle"] self.x = 30 self.y = 30 self.r = 0 ugfx.init() ugfx.input_init() self.select_surface() self.main_loop() def main_loop(self): ugfx.input_attach(ugfx.JOY_LEFT, self.take) ugfx.input_attach(ugfx.JOY_RIGHT, self.add) ugfx.input_attach(ugfx.BTN_START, self.exit) ugfx.input_attach(ugfx.BTN_A, self.exit) ugfx.input_attach(ugfx.BTN_B, self.exit) while True: self.x += SPEED*cos(self.r) self.y += SPEED*sin(self.r) self.wrap() self.draw_ship() time.sleep(FRAMERATE) def exit(self, press): if press: deepsleep.reboot() def draw_line(self, x1, y1, x2, y2): x1_ = self.x+(x1-self.x)*cos(self.r) - (y1-self.y)*sin(self.r) y1_ = self.y+(y1-self.y)*cos(self.r) + (x1-self.x)*sin(self.r) x2_ = self.x+(x2-self.x)*cos(self.r) - (y2-self.y)*sin(self.r) y2_ = self.y+(y2-self.y)*cos(self.r) + (x2-self.x)*sin(self.r) line = Line(x1_, y1_, x2_, y2_) while line.goes_out(): line.split() line.draw() def draw_ship(self): ugfx.clear(ugfx.WHITE) ugfx.string(10, SCREEN_Y-15, "You are playing on a "+self.options[self.surface], "RobotoRegular12", ugfx.BLACK) self.draw_line(self.x+4, self.y, self.x-6, self.y-5) self.draw_line(self.x+4, self.y, self.x-6, self.y+5) self.draw_line(self.x-3, self.y, self.x-6, self.y-5) self.draw_line(self.x-3, self.y, self.x-6, self.y+5) ugfx.flush() def add(self, press): if press: self.r += ROTATION def take(self, press): if press: self.r -= ROTATION def return_(self, press): if press: self.do_return = True def next(self, press): if press: self.surface += 1 self.surface %= len(self.options) self.show_choice() def prev(self, press): if press: self.surface -= 1 self.surface %= len(self.options) self.show_choice() def pass_(self, press): pass def show_choice(self): ugfx.clear(ugfx.WHITE) ugfx.string(10, 10, self.options[self.surface], "PermanentMarker22", ugfx.BLACK) ugfx.string(10, 40, "Press up/down to choose a surface.", "Roboto_Regular12", ugfx.BLACK) ugfx.string(10, 55, "Press A/B/START to begin.", "Roboto_Regular12", ugfx.BLACK) ugfx.flush() def select_surface(self): ugfx.input_attach(ugfx.JOY_UP, self.next) ugfx.input_attach(ugfx.JOY_DOWN, self.prev) ugfx.input_attach(ugfx.BTN_START, self.return_) ugfx.input_attach(ugfx.BTN_A, self.return_) ugfx.input_attach(ugfx.BTN_B, self.return_) self.show_choice() self.do_return = False while not self.do_return: pass ugfx.input_attach(ugfx.JOY_UP, self.pass_) ugfx.input_attach(ugfx.JOY_DOWN, self.pass_) ugfx.input_attach(ugfx.BTN_START, self.pass_) ugfx.input_attach(ugfx.BTN_A, self.pass_) ugfx.input_attach(ugfx.BTN_B, self.pass_) def wrap(self): if self.surface == 0: # 4D flat torus if self.y < 0: self.y += SCREEN_Y if self.y > SCREEN_Y: self.y -= SCREEN_Y if self.x < 0: self.x += SCREEN_X if self.x > SCREEN_X: self.x -= SCREEN_X if self.surface == 1: # ?D flat Klein bottle if self.y < 0: self.y += SCREEN_Y self.x = SCREEN_X - self.x self.r = pi - self.r if self.y > SCREEN_Y: self.y -= SCREEN_Y self.x = SCREEN_X - self.x self.r = pi - self.r if self.x < 0: self.x += SCREEN_X if self.x > SCREEN_X: self.x -= SCREEN_X class Line: def __init__(self, x1, y1, x2, y2): self.segments = [LineSegment(x1,y1, x2,y2)] self.x1 = x1 self.x2 = x2 self.y1 = y1 self.y2 = y2 def split(self): for i,segment in enumerate(self.segments): if segment.goes_out(): s1,s2 = segment.split() self.segments = self.segments[:i] + [s1,s2] + self.segments[i+1:] return def goes_out(self): for segment in self.segments: if segment.goes_out(): return True return False def draw(self): for segment in self.segments: segment.draw() class LineSegment: def __init__(self, x1, y1, x2, y2): if x1 < 0 and x2 < 0: x1 += SCREEN_X x2 += SCREEN_X if x1 > SCREEN_X and x2 > SCREEN_X: x1 -= SCREEN_X x2 -= SCREEN_X if y1 < 0 and y2 < 0: y1 += SCREEN_Y y2 += SCREEN_Y if y1 > SCREEN_Y and y2 > SCREEN_Y: y1 -= SCREEN_Y y2 -= SCREEN_Y self.start = (x1,y1) self.end = (x2,y2) def draw(self): ugfx.line(int(floor(self.start[0])), int(floor(self.start[1])), int(floor(self.end[0])), int(floor(self.end[1])),ugfx.BLACK) def min_x(self): return min(self.start[0],self.end[0]) def max_x(self): return max(self.start[0],self.end[0]) def min_y(self): return min(self.start[1],self.end[1]) def max_y(self): return max(self.start[1],self.end[1]) def split(self): for a,b in [(self.start,self.end),(self.end,self.start)]: if a[0] < 0: y = a[1] + (b[1]-a[1])*a[0]/(a[0]-b[0]) return (LineSegment(a[0]+SCREEN_X,a[1],SCREEN_X,y), LineSegment(0,y,b[0],b[1])) if a[0] > SCREEN_X: y = a[1] + (b[1]-a[1])*(a[0]-SCREEN_X)/(a[0]-b[0]) return (LineSegment(a[0]-SCREEN_X,a[1],0,y), LineSegment(SCREEN_X,y,b[0],b[1])) if a[1] < 0: x = a[0] + (b[0]-a[0])*a[1]/(a[1]-b[1]) return (LineSegment(a[0],a[1]+SCREEN_Y,x,SCREEN_Y), LineSegment(x,0,b[0],b[1])) if a[1] > SCREEN_Y: x = a[0] + (b[0]-a[0])*(a[1]-SCREEN_Y)/(a[1]-b[1]) return (LineSegment(a[0],a[1]-SCREEN_Y,x,0), LineSegment(x,SCREEN_Y,b[0],b[1])) def goes_out(self): if self.start[0] < 0 or self.start[0] > SCREEN_X: return True if self.start[1] < 0 or self.start[1] > SCREEN_Y: return True if self.end[0] < 0 or self.end[0] > SCREEN_X: return True if self.end[1] < 0 or self.end[1] > SCREEN_Y: return True