From 0b53b220363b1ce59f9b5e6af16aa5a0ea58afb0 Mon Sep 17 00:00:00 2001
From: Seth Woodworth <seth@isforinsects.com>
Date: Wed, 17 Feb 2010 20:23:33 +0000
Subject: Merge http://git.sugarlabs.org/git/physics/asaf-sandbox

Conflicts:
	physics.py
---
diff --git a/icons/paint.svg b/icons/paint.svg
new file mode 100644
index 0000000..2afe341
--- /dev/null
+++ b/icons/paint.svg
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 13.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 14948)  -->
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   x="0px"
+   y="0px"
+   width="55px"
+   height="55px"
+   viewBox="0 0 55 55"
+   enable-background="new 0 0 55 55"
+   xml:space="preserve"
+   id="svg2"
+   sodipodi:version="0.32"
+   inkscape:version="0.46"
+   sodipodi:docname="paint.svg"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape"><metadata
+   id="metadata10"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
+   id="defs8"><inkscape:perspective
+     sodipodi:type="inkscape:persp3d"
+     inkscape:vp_x="0 : 27.5 : 1"
+     inkscape:vp_y="0 : 1000 : 0"
+     inkscape:vp_z="55 : 27.5 : 1"
+     inkscape:persp3d-origin="27.5 : 18.333333 : 1"
+     id="perspective12" /></defs><sodipodi:namedview
+   inkscape:window-height="947"
+   inkscape:window-width="1280"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0.07843137"
+   guidetolerance="10.0"
+   gridtolerance="10.0"
+   objecttolerance="10.0"
+   borderopacity="1.0"
+   bordercolor="#666666"
+   pagecolor="#ff0000"
+   id="base"
+   showgrid="false"
+   inkscape:zoom="8.9818182"
+   inkscape:cx="25.452253"
+   inkscape:cy="27.5"
+   inkscape:window-x="0"
+   inkscape:window-y="27"
+   inkscape:current-layer="svg2" />
+
+<g
+   id="Ellipse"
+   transform="matrix(0.187554,0,0,0.187554,40.656232,4.8068412)">
+	<circle
+   display="inline"
+   cx="27.499001"
+   cy="27.5"
+   r="19.802"
+   id="circle5"
+   sodipodi:cx="27.499001"
+   sodipodi:cy="27.5"
+   sodipodi:rx="19.802"
+   sodipodi:ry="19.802"
+   style="fill:#ffffff;display:inline" />
+</g>
+
+<path
+   style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:2.4;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:2.4,2.4;stroke-dashoffset:0"
+   d="M 7.9048582,48.765183 C 1.3360322,28.502025 41.194332,45.425101 29.838056,29.504048 C 18.481781,13.582996 45.759109,9.7975709 45.759109,9.7975709"
+   id="path3157"
+   sodipodi:nodetypes="csc" /></svg>
\ No newline at end of file
diff --git a/physics.py b/physics.py
index 452341c..5a10ccb 100644
--- a/physics.py
+++ b/physics.py
@@ -30,7 +30,15 @@ from helpers import *
 import gtk
 
 class PhysicsGame:
-    def __init__(self):
+    def __init__(self,screen):
+        self.screen = screen
+        # get everything set up
+        self.trace_screen = pygame.Surface(self.screen.get_size())
+        self.trace_screen.fill((255,255,255))
+
+        self.clock = pygame.time.Clock()
+        self.font = pygame.font.Font(None, 24) # font object
+        self.canvas = olpcgames.ACTIVITY.canvas
         # create the name --> instance map for components
         self.toolList = {}
         for c in tools.allTools:
@@ -82,6 +90,9 @@ class PhysicsGame:
 
             # Clear Display
             self.screen.fill((255,255,255)) #255 for white
+            self.screen.blit(self.trace_screen, (0,0)) #blit on the traces
+
+            #Loop trough objects to apply impulses
             if self.world.run_physics:
                 for body in self.world.world.GetBodyList():
                     if type(body.userData) == type({}):
@@ -92,6 +103,19 @@ class PhysicsGame:
             # Update & Draw World
             self.world.update()
             self.world.draw()
+
+            #Loop trough objects to draw extra stuff
+            if self.world.run_physics:
+                for body in self.world.world.GetBodyList():
+                    if type(body.userData) == type({}):
+                        if body.userData.has_key('paint'):
+                            color = body.userData['paint']['color']
+                            rel_pos = body.GetWorldVector(body.userData['paint']['pos']).tuple()
+                            x = (body.GetPosition().tuple()[0]+rel_pos[0])*self.world.ppm
+                            y = (body.GetPosition().tuple()[1]+rel_pos[1])*self.world.ppm
+                            pos = self.world.to_screen((x,y))
+                            pygame.draw.circle(self.trace_screen, color, pos, 2, 0)
+                            pygame.draw.circle(self.screen, (255,208,0), pos, 2, 0)
             
             # draw output from tools
             self.currentTool.draw()
diff --git a/tools.py b/tools.py
index 8645a81..0147cb6 100644
--- a/tools.py
+++ b/tools.py
@@ -410,7 +410,35 @@ class RollTool(Tool):
                     self.jb1 = self.jb1pos = None
     def cancel(self):
         self.jb1 = self.jb1pos = None
-   
+
+
+class PaintTool(Tool):
+    name = 'Paint'
+    icon = 'paint'
+    toolTip = _("Paint")
+    toolAccelerator = _("<ctrl>s")
+
+    def __init__(self,gameInstance):
+        self.game = gameInstance
+        self.name = 'Paint'
+        self.jb1 = self.jb1pos = None
+    def handleEvents(self,event):
+        #look for default events, and if none are handled then try the custom events
+        if not super(PaintTool,self).handleEvents(event):
+            if event.type == MOUSEBUTTONDOWN:
+                if event.button == 1:
+                    self.jb1pos = event.pos
+                    self.jb1 = self.game.world.get_bodies_at_pos(event.pos)
+                    if self.jb1:
+                        if type(self.jb1[0].userData) == type({}):
+                            self.jb1[0].userData['paint'] = {}
+                            self.jb1[0].userData['paint']['color'] = self.jb1[0].userData['color']
+                            x = self.game.world.to_world(event.pos)[0]/self.game.world.ppm
+                            y = self.game.world.to_world(event.pos)[1]/self.game.world.ppm
+                            self.jb1[0].userData['paint']['pos'] = self.jb1[0].GetLocalPoint((x,y)).tuple()
+                    self.jb1 = self.jb1pos = None
+    def cancel(self):
+        self.jb1 = self.jb1pos = None
    
 # The destroy tool        
 class DestroyTool(Tool):
@@ -460,8 +488,10 @@ def getAllTools():
             PolygonTool,
             GrabTool,
             MotorTool,
+            RollTool,
             PinTool,
             JointTool,
+            PaintTool,
             DestroyTool]
             
 allTools = getAllTools()
--
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