#!/usr/bin/env python #Copyright (c) 2007-8, Playful Invention Company. #Permission is hereby granted, free of charge, to any person obtaining a copy #of this software and associated documentation files (the "Software"), to deal #in the Software without restriction, including without limitation the rights #to use, copy, modify, merge, publish, distribute, sublicense, and/or sell #copies of the Software, and to permit persons to whom the Software is #furnished to do so, subject to the following conditions: #The above copyright notice and this permission notice shall be included in #all copies or substantial portions of the Software. #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN #THE SOFTWARE. import gtk from math import sin,cos,pi class taTurtle: pass from tasprites import * from tasetup import load_image colors = {} DEGTOR = 2*pi/360 color_table = ( 0xFF0000,0xFF0D00,0xFF1A00,0xFF2600,0xFF3300,0xFF4000,0xFF4D00,0xFF5900,0xFF6600,0xFF7300, 0xFF8000,0xFF8C00,0xFF9900,0xFFA600,0xFFB300,0xFFBF00,0xFFCC00,0xFFD900,0xFFE600,0xFFF200, 0xFFFF00,0xE6FF00,0xCCFF00,0xB3FF00,0x99FF00,0x80FF00,0x66FF00,0x4DFF00,0x33FF00,0x1AFF00, 0x00FF00,0x00FF0D,0x00FF1A,0x00FF26,0x00FF33,0x00FF40,0x00FF4D,0x00FF59,0x00FF66,0x00FF73, 0x00FF80,0x00FF8C,0x00FF99,0x00FFA6,0x00FFB3,0x00FFBF,0x00FFCC,0x00FFD9,0x00FFE6,0x00FFF2, 0x00FFFF,0x00F2FF,0x00E6FF,0x00D9FF,0x00CCFF,0x00BFFF,0x00B3FF,0x00A6FF,0x0099FF,0x008CFF, 0x0080FF,0x0073FF,0x0066FF,0x0059FF,0x004DFF,0x0040FF,0x0033FF,0x0026FF,0x001AFF,0x000DFF, 0x0000FF,0x0D00FF,0x1A00FF,0x2600FF,0x3300FF,0x4000FF,0x4D00FF,0x5900FF,0x6600FF,0x7300FF, 0x8000FF,0x8C00FF,0x9900FF,0xA600FF,0xB300FF,0xBF00FF,0xCC00FF,0xD900FF,0xE600FF,0xF200FF, 0xFF00FF,0xFF00E6,0xFF00CC,0xFF00B3,0xFF0099,0xFF0080,0xFF0066,0xFF004D,0xFF0033,0xFF001A) def tNew(tw,w,h): t = taTurtle() t.tw, t.width, t.height = tw, w, h t.canvas = sprNew(tw,0,0,gtk.gdk.Pixmap(tw.area,w,h,-1)) t.canvas.type = 'canvas' setlayer(t.canvas,600) t.shapelist = [load_image(tw.path, 'shapes','t'+str(i)) for i in range(36)] t.spr = sprNew(tw,100,100,t.shapelist[0]) t.spr.type = 'turtle' setlayer(t.spr, 630) t.gc = t.canvas.image.new_gc() t.shade = 0 clearscreen(t) return t def clearscreen(t): t.xcor, t.ycor, t.heading = 0,0,0 rect = gtk.gdk.Rectangle(0,0,t.width,t.height) t.gc.set_foreground(t.tw.bgcolor) t.canvas.image.draw_rectangle(t.gc, True, *rect) invalt(t,0,0,t.width,t.height) setpensize(t,5) setcolor(t,0) setshade(t,50) t.pendown = True move_turtle(t) turn_turtle(t) return None def forward(t, n): t.gc.set_foreground(t.fgcolor) oldx, oldy = t.xcor, t.ycor t.xcor += n*sin(t.heading*DEGTOR) t.ycor += n*cos(t.heading*DEGTOR) if t.pendown: draw_line(t,oldx,oldy,t.xcor,t.ycor) move_turtle(t) return None def seth(t,n): t.heading=n t.heading%=360 turn_turtle(t) return None def right(t,n): t.heading+=n t.heading%=360 turn_turtle(t) return None def arc(t,a,r): t.gc.set_foreground(t.fgcolor) if a<0: larc(t,-a,r) else: rarc(t,a,r) move_turtle(t) turn_turtle(t) def rarc(t,a,r): if r<0: r=-r; a=-a cx = t.xcor+r*cos(t.heading*DEGTOR) cy = t.ycor-r*sin(t.heading*DEGTOR) x,y,w,h=t.width/2+int(cx-r),t.height/2-int(cy+r),int(2*r),int(2*r) if t.pendown: t.canvas.image.draw_arc(t.gc,False,x,y,w,h,int(180-t.heading-a)*64,int(a)*64) invalt(t,x-t.pensize/2-3,y-t.pensize/2-3,w+t.pensize+6,h+t.pensize+6) right(t,a) t.xcor=cx-r*cos(t.heading*DEGTOR) t.ycor=cy+r*sin(t.heading*DEGTOR) def larc(t,a,r): if r<0: r=-r; a=-a cx = t.xcor-r*cos(t.heading*DEGTOR) cy = t.ycor+r*sin(t.heading*DEGTOR) x,y,w,h=t.width/2+int(cx-r),t.height/2-int(cy+r),int(2*r),int(2*r) if t.pendown: t.canvas.image.draw_arc(t.gc,False,x,y,w,h,int(360-t.heading)*64,int(a)*64) invalt(t,x-t.pensize/2-3,y-t.pensize/2-3,w+t.pensize+6,h+t.pensize+6) right(t,-a) t.xcor=cx+r*cos(t.heading*DEGTOR) t.ycor=cy-r*sin(t.heading*DEGTOR) def setxy(t,x,y): t.xcor,t.ycor = x,y move_turtle(t) def setpensize(t,ps): if ps<0: ps=0; t.pensize = ps t.gc.set_line_attributes(int(t.pensize),gtk.gdk.LINE_SOLID,gtk.gdk.CAP_ROUND,gtk.gdk.JOIN_MITER) return None def setcolor(t,c): t.color = c set_fgcolor(t) return None def setshade(t,s): t.shade = s set_fgcolor(t) return None def fillscreen(t,c,s): oldc, olds = t.color,t.shade setcolor(t,c); setshade(t,s) rect = gtk.gdk.Rectangle(0,0,t.width,t.height) t.gc.set_foreground(t.fgcolor) t.canvas.image.draw_rectangle(t.gc, True, *rect) invalt(t,0,0,t.width,t.height) setcolor(t,oldc); setshade(t,olds) return None def set_fgcolor(t): sh = (wrap100(t.shade)-50)/50.0 rgb = color_table[wrap100(t.color)] r,g,b = (rgb>>8)&0xff00,rgb&0xff00,(rgb<<8)&0xff00 r,g,b = calc_shade(r,sh),calc_shade(g,sh),calc_shade(b,sh) t.fgcolor = t.tw.cm.alloc_color(r,g,b) def wrap100(n): n = int(n) n %= 200 if n>99: n=199-n return n def calc_shade(c,s): if s<0: return int(c*(1+s*.8)) return int(c+(65536-c)*s*.9) def setpen(t,bool): t.pendown = bool def draw_line(t,x1,y1,x2,y2): x1,y1 = t.width/2+int(x1), t.height/2-int(y1) x2,y2 = t.width/2+int(x2), t.height/2-int(y2) if x1