diff options
Diffstat (limited to 'tools.py')
| -rw-r--r-- | tools.py | 130 |
1 files changed, 66 insertions, 64 deletions
@@ -1,27 +1,25 @@ # -*- coding: utf-8 -*- -""" - Physics, a 2D Physics Playground for Kids - Copyright (C) 2008 Alex Levenson and Brian Jordan - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. - -""" -#================================================================== -# Physics.activity -# Tool Classes -# By Alex Levenson -#================================================================== +# Physics, a 2D Physics Playground for Kids + +# Copyright (C) 2008 Alex Levenson and Brian Jordan +# Copyright (C) 2012 Daniel Francis +# Copyright (C) 2012-13 Walter Bender +# Copyright (C) 2013 Sai Vineet +# Copyright (C) 2012-13 Sugar Labs + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + import pygame from pygame.locals import * from helpers import * @@ -34,7 +32,7 @@ import gtk class Tool(object): name = 'Tool' icon = 'icon' - toolTip = "Tool Tip" + toolTip = 'Tool Tip' toolAccelerator = None def __init__(self, gameInstance): @@ -45,12 +43,12 @@ class Tool(object): handled = True # Default event handling if event.type == USEREVENT: - if hasattr(event, "action"): - if event.action == "stop_start_toggle": + if hasattr(event, 'action'): + if event.action == 'stop_start_toggle': # Stop/start simulation toggle = self.game.world.run_physics self.game.world.run_physics = not toggle - elif event.action == "clear_all": + elif event.action == 'clear_all': if len(self.game.world.world.GetBodyList()) > 1: # Get bodies and destroy them too for body in self.game.world.world.GetBodyList(): @@ -61,11 +59,11 @@ class Tool(object): # Also clear the points recorded in pens. self.game.full_pos_list = \ [[] for _ in self.game.full_pos_list] - elif event.action == "focus_in": + elif event.action == 'focus_in': self.game.in_focus = True - elif event.action == "focus_out": + elif event.action == 'focus_out': self.game.in_focus = False - elif self.game.toolList.has_key(event.action): + elif event.action in self.game.toolList: self.game.setTool(event.action) elif event.type == MOUSEBUTTONDOWN and event.button == 1: self.game.canvas.grab_focus() @@ -105,8 +103,8 @@ class Tool(object): class CircleTool(Tool): name = 'Circle' icon = 'circle' - toolTip = _("Circle") - toolAccelerator = _("<ctrl>c") + toolTip = _('Circle') + toolAccelerator = _('<ctrl>c') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -146,8 +144,8 @@ class CircleTool(Tool): class BoxTool(Tool): name = 'Box' icon = 'box' - toolTip = _("Box") - toolAccelerator = _("<ctrl>b") + toolTip = _('Box') + toolAccelerator = _('<ctrl>b') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -199,8 +197,8 @@ class BoxTool(Tool): class TriangleTool(Tool): name = 'Triangle' icon = 'triangle' - toolTip = _("Triangle") - toolAccelerator = _("<ctrl>t") + toolTip = _('Triangle') + toolAccelerator = _('<ctrl>t') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -269,8 +267,8 @@ class TriangleTool(Tool): class PolygonTool(Tool): name = 'Polygon' icon = 'polygon' - toolTip = _("Polygon") - toolAccelerator = _("<ctrl>p") + toolTip = _('Polygon') + toolAccelerator = _('<ctrl>p') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -295,12 +293,14 @@ class PolygonTool(Tool): self.vertices = [[i[0] - delta_x, i[1] - delta_y] for i in self.previous_vertices] self.safe = True - self.game.world.add.complexPoly(self.vertices, dynamic=True, + self.game.world.add.complexPoly(self.vertices, + dynamic=True, density=1.0, restitution=0.16, friction=0.5) self.vertices = None - elif (event.type == MOUSEBUTTONUP or event.type == MOUSEBUTTONDOWN): + elif (event.type == MOUSEBUTTONUP or + event.type == MOUSEBUTTONDOWN): if self.vertices is None or (tuple_to_int(event.pos)[0] == self.vertices[-1][0] and tuple_to_int(event.pos)[1] @@ -321,7 +321,8 @@ class PolygonTool(Tool): self.vertices = None else: self.vertices.append(tuple_to_int(event.pos)) - if distance(tuple_to_int(event.pos), self.vertices[0]) > 54: + if distance(tuple_to_int(event.pos), + self.vertices[0]) > 54: self.safe = True def draw(self): @@ -345,8 +346,8 @@ class PolygonTool(Tool): class MagicPenTool(Tool): name = 'Magicpen' icon = 'magicpen' - toolTip = _("Draw") - toolAccelerator = _("<ctrl>d") + toolTip = _('Draw') + toolAccelerator = _('<ctrl>d') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -402,8 +403,8 @@ class MagicPenTool(Tool): class GrabTool(Tool): name = 'Grab' icon = 'grab' - toolTip = _("Grab") - toolAccelerator = _("<ctrl>g") + toolTip = _('Grab') + toolAccelerator = _('<ctrl>g') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -411,7 +412,7 @@ class GrabTool(Tool): def handleToolEvent(self, event): Tool.handleToolEvent(self, event) - # We handle two types of "grab" depending on simulation running or not + # We handle two types of 'grab' depending on simulation running or not if event.type == MOUSEBUTTONDOWN: if event.button == 1: # Grab the first object at the mouse pointer @@ -452,8 +453,8 @@ class GrabTool(Tool): class JointTool(Tool): name = 'Joint' icon = 'joint' - toolTip = _("Joint") - toolAccelerator = "<ctrl>j" + toolTip = _('Joint') + toolAccelerator = '<ctrl>j' def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -500,8 +501,8 @@ class JointTool(Tool): class PinTool(Tool): name = 'Pin' icon = 'pin' - toolTip = _("Pin") - toolAccelerator = _("<ctrl>o") + toolTip = _('Pin') + toolAccelerator = _('<ctrl>o') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -525,8 +526,8 @@ class PinTool(Tool): class MotorTool(Tool): name = 'Motor' icon = 'motor' - toolTip = _("Motor") - toolAccelerator = _("<ctrl>m") + toolTip = _('Motor') + toolAccelerator = _('<ctrl>m') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -551,8 +552,8 @@ class MotorTool(Tool): class RollTool(Tool): name = 'Roll' icon = 'roll' - toolTip = _("Roll") - toolAccelerator = _("<ctrl>r") + toolTip = _('Roll') + toolAccelerator = _('<ctrl>r') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -564,7 +565,7 @@ class RollTool(Tool): if event.button == 1: self.jb1pos = tuple_to_int(event.pos) self.jb1 = self.game.world.get_bodies_at_pos(self.jb1pos) - if self.jb1 and type(self.jb1[0].userData) == type({}): + if self.jb1 and isinstance(self.jb1[0].userData, dict): self.jb1[0].userData['rollMotor'] = {} self.jb1[0].userData['rollMotor']['targetVelocity'] = -10 self.jb1[0].userData['rollMotor']['strength'] = 40 @@ -578,8 +579,8 @@ class RollTool(Tool): class DestroyTool(Tool): name = 'Destroy' icon = 'destroy' - toolTip = _("Erase") - toolAccelerator = _("<ctrl>e") + toolTip = _('Erase') + toolAccelerator = _('<ctrl>e') def __init__(self, gameInstance): Tool.__init__(self, gameInstance) @@ -601,8 +602,9 @@ class DestroyTool(Tool): destroyed_body = False for key, info in tracklist: trackdex = info[4] - if trackdex in tokill[0].userData['track_indices'] and \ - info[3] is False: + if 'track_indices' in tokill[0].userData and \ + trackdex in tokill[0].userData['track_indices'] and \ + info[3] is False: self.game.world.world.DestroyBody(info[1]) self.game.trackinfo[key][3] = True destroyed_body = True @@ -632,7 +634,7 @@ class DestroyTool(Tool): class EraseAllTool(Tool): name = 'Erase All' icon = 'destroy-all' - toolTip = _("Erase all") + toolTip = _('Erase all') def __init__(self, gameInstance, activity=None): super(EraseAllTool, self).__init__(gameInstance) @@ -645,8 +647,8 @@ class EraseAllTool(Tool): if not action: # Add alert for confirm the delete all action. alert = ConfirmationAlert() - alert.props.title = _("Delete all shapes?") - alert.props.msg = _("This can't be undone!") + alert.props.title = _('Delete all shapes?') + alert.props.msg = _('This cannot be undone!') alert.connect('response', self.alert_info, event) self.activity.add_alert(alert) return @@ -682,7 +684,7 @@ class TrackTool(Tool): name = 'Track' icon = 'track' toolTip = _('Track Object') - toolAccelerator = _("<ctrl>r") + toolAccelerator = _('<ctrl>r') def __init__(self, game): Tool.__init__(self, game) @@ -703,7 +705,7 @@ class TrackTool(Tool): restitution=0.16, friction=0.1) trackdex = self.game.tracked_bodies track_circle.userData['track_index'] = trackdex - dictkey = "pen{0}".format(trackdex) + dictkey = 'pen{0}'.format(trackdex) self.game.world.add.joint( track_circle, current_body, point_pos, point_pos, False) |