/usr/share/doc/python-soya-doc/examples/traveling-camera-1.py is in python-soya-doc 0.14-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
# -*- indent-tabs-mode: t -*-
# Soya 3D tutorial
# Copyright (C) 2004 Jean-Baptiste LAMY
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# traveling-camera-1: Traveling camera : a keyboard-controlled caterpillar, followed by the camera!
# In this lesson, our caterpillar will obey you !
# Import the Soya module.
# The soya.sdlconst module contains all the SDL constants.
import sys, os, os.path, soya, soya.sdlconst
soya.init()
soya.path.append(os.path.join(os.path.dirname(sys.argv[0]), "data"))
# Creates a scene.
scene = soya.World()
# The CaterpillarHead class is very similar to the CaterpillarHead class of the basic-*
# lessons.
class CaterpillarHead(soya.Body):
def __init__(self, parent):
soya.Body.__init__(self, parent, soya.Model.get("caterpillar_head"))
self.speed = soya.Vector(self, 0.0, 0.0, 0.0)
self.rotation_y_speed = 0.0
# VERY IMPORTANT!
#
# The TravelingCamera use raypicking for determining through what the camera can go or not.
# We thus have to DISABLE raypicking on the caterpillar itself!
# This can be done by setting the caterpillar's solid attribute to 0.
self.solid = 0
def begin_round(self):
soya.Body.begin_round(self)
for event in soya.process_event():
if event[0] == soya.sdlconst.KEYDOWN:
if event[1] == soya.sdlconst.K_UP: self.speed.z = -0.2
elif event[1] == soya.sdlconst.K_DOWN: self.speed.z = 0.1
elif event[1] == soya.sdlconst.K_LEFT: self.rotation_y_speed = 10.0
elif event[1] == soya.sdlconst.K_RIGHT: self.rotation_y_speed = -10.0
elif event[1] == soya.sdlconst.K_q: soya.MAIN_LOOP.stop()
elif event[1] == soya.sdlconst.K_ESCAPE: soya.MAIN_LOOP.stop()
if event[0] == soya.sdlconst.KEYUP:
if event[1] == soya.sdlconst.K_UP: self.speed.z = 0.0
elif event[1] == soya.sdlconst.K_DOWN: self.speed.z = 0.0
elif event[1] == soya.sdlconst.K_LEFT: self.rotation_y_speed = 0.0
elif event[1] == soya.sdlconst.K_RIGHT: self.rotation_y_speed = 0.0
self.rotate_y(self.rotation_y_speed)
def advance_time(self, proportion):
soya.Body.advance_time(self, proportion)
self.add_mul_vector(proportion, self.speed)
class CaterpillarPiece(soya.Body):
def __init__(self, parent, previous):
soya.Body.__init__(self, parent, soya.Model.get("caterpillar"))
self.previous = previous
self.speed = soya.Vector(self, 0.0, 0.0, -0.2)
# VERY IMPORTANT!
#
# See above.
self.solid = 0
def begin_round(self):
soya.Body.begin_round(self)
self.look_at(self.previous)
if self.distance_to(self.previous) < 1.5: self.speed.z = 0.0
else: self.speed.z = -0.2
def advance_time(self, proportion):
soya.Body.advance_time(self, proportion)
self.add_mul_vector(proportion, self.speed)
caterpillar_head = CaterpillarHead(scene)
caterpillar_head.rotate_y(90.0)
previous_caterpillar_piece = caterpillar_head
for i in range(10):
previous_caterpillar_piece = CaterpillarPiece(scene, previous_caterpillar_piece)
previous_caterpillar_piece.x = i + 1
# Creates a light.
light = soya.Light(scene)
light.set_xyz(2.0, 5.0, 0.0)
# Creates a camera.
camera = soya.TravelingCamera(scene)
traveling = soya.ThirdPersonTraveling(caterpillar_head)
traveling.distance = 15.0
camera.add_traveling(traveling)
camera.speed = 0.3
camera.set_xyz(0.0, 15.0, 15.0)
camera.look_at(caterpillar_head)
soya.set_root_widget(camera)
soya.MainLoop(scene).main_loop()
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