From 9b6de0eb9e4f09cddd12129a2547dd1ad07552f0 Mon Sep 17 00:00:00 2001 From: Walter Bender Date: Wed, 27 Jan 2010 11:39:25 +0000 Subject: fixing turtle rotation --- (limited to 'tacanvas.py') diff --git a/tacanvas.py b/tacanvas.py new file mode 100644 index 0000000..5bf62a1 --- /dev/null +++ b/tacanvas.py @@ -0,0 +1,315 @@ +#Copyright (c) 2007-8, Playful Invention Company. +#Copyright (c) 2008-9, Walter Bender + +#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 tasetup import load_image +import sprites +import taturtle +import pango + +from constants import * + +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 = sprites.Sprite(tw.sprite_list, 0, 0, + gtk.gdk.Pixmap(tw.area,w,h,-1)) + (t.cx,t.cy) = t.canvas.get_xy() + t.canvas.type = 'canvas' + t.canvas.set_layer(CANVAS_LAYER) + t.shapelist = [] + t.t = taturtle.Turtle(tw.turtle_list, tw.sprite_list, ["#800000", "#A00000"]) + t.spr = t.t.spr + t.spr.type = 'turtle' + t.spr.set_layer(TURTLE_LAYER) + 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) + settextcolor(t,70) + settextsize(t,32) + setshade(t,50) + t.pendown = True + move_turtle(t) + turn_turtle(t) + return None + +def forward(t, n): + n *= t.tw.coord_scale + t.gc.set_foreground(t.tw.fgcolor) + oldx, oldy = t.xcor, t.ycor + try: + t.xcor += n*sin(t.heading*DEGTOR) + t.ycor += n*cos(t.heading*DEGTOR) + except: + pass + if t.pendown: + draw_line(t,oldx,oldy,t.xcor,t.ycor) + move_turtle(t) + return None + +def seth(t,n): + try: + t.heading=n + except: + pass + t.heading%=360 + turn_turtle(t) + return None + +def right(t,n): + try: + t.heading+=n + except: + pass + t.heading%=360 + turn_turtle(t) + return None + +def arc(t,a,r): + t.gc.set_foreground(t.tw.fgcolor) + r *= t.tw.coord_scale + try: + if a<0: larc(t,-a,r) + else: rarc(t,a,r) + except: + pass + 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*t.tw.coord_scale/2-3,y-t.pensize*t.tw.coord_scale/2-3,\ + w+t.pensize*t.tw.coord_scale+6,h+t.pensize*t.tw.coord_scale+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*t.tw.coord_scale/2-3,y-t.pensize*t.tw.coord_scale/2-3,\ + w+t.pensize*t.tw.coord_scale+6,h+t.pensize*t.tw.coord_scale+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): + x *= t.tw.coord_scale + y *= t.tw.coord_scale + try: + t.xcor,t.ycor = x,y + except: + pass + move_turtle(t) + +def setpensize(t,ps): + try: + if ps<0: + ps=0; + t.pensize = ps + except: + pass + t.gc.set_line_attributes(int(t.pensize*t.tw.coord_scale), \ + gtk.gdk.LINE_SOLID, \ + gtk.gdk.CAP_ROUND, gtk.gdk.JOIN_MITER) + return None + +def setcolor(t,c): + try: + t.color = c + t.tcolor = c + except: + pass + set_fgcolor(t) + set_textcolor(t) + return None + +def settextcolor(t,c): + try: + t.tcolor = c + except: + pass + set_textcolor(t) + return None + +def settextsize(t,c): + try: + t.tw.textsize = c + except: + pass + return None + +def setshade(t,s): + try: + t.shade = s + except: + pass + set_fgcolor(t) + set_textcolor(t) + return None + +def fillscreen(t,c,s): + oldc, olds = t.color,t.shade + try: + setcolor(t,c); setshade(t,s) + rect = gtk.gdk.Rectangle(0,0,t.width,t.height) + t.gc.set_foreground(t.tw.fgcolor) + t.canvas.image.draw_rectangle(t.gc, True, *rect) + invalt(t,0,0,t.width,t.height) + setcolor(t,oldc); setshade(t,olds) + except: + pass + 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.tw.rgb = [r>>8,g>>8,b>>8] + t.tw.fgcolor = t.tw.cm.alloc_color(r,g,b) + +def set_textcolor(t): + sh = (wrap100(t.shade)-50)/50.0 + rgb = color_table[wrap100(t.tcolor)] + 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.tw.textcolor = 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_pixbuf(t,pixbuf,a,b,x,y,w,h): + w *= t.tw.coord_scale + h *= t.tw.coord_scale + t.canvas.image.draw_pixbuf(t.gc, pixbuf, a, b, x, y) + invalt(t,x,y,w,h) + +def draw_text(t, label, x, y, size, w): + w *= t.tw.coord_scale + t.gc.set_foreground(t.tw.textcolor) + fd = pango.FontDescription('Sans') + try: + fd.set_size(int(size*t.tw.coord_scale)*pango.SCALE) + except: + pass + if type(label) == str or type(label) == unicode: + pl = t.tw.window.create_pango_layout(label.replace("\0"," ")) + elif type(label) == float or type(label) == int: + pl = t.tw.window.create_pango_layout(str(label)) + else: + print "draw text: Type Error: %s" % (type(label)) + pl = t.tw.window.create_pango_layout(str(label)) + pl.set_font_description(fd) + pl.set_width(int(w)*pango.SCALE) + t.canvas.image.draw_layout(t.gc,int(x),int(y),pl) + w,h = pl.get_pixel_size() + invalt(t,x,y,w,h) + +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