fife-parpg: engine/python/fife/extensions/fife

annotate engine/python/fife/extensions/fife_math.py @ 639:685d250f2c2d

* Improvements for DeviceCaps. It now stores a list of valid SDL drivers. Currently in windows we are limited to the windows GDI (which is slow). This could mean that SDL users could benifit from hardware acceleration with directx (a valid SDL driver).

author	prock@33b003aa-7bff-0310-803a-e67f0ece8222
date	Thu, 07 Oct 2010 16:44:44 +0000
parents	c0c3f64bfc2d
children

rev	line source
492 16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	1 # -- coding: utf-8 --
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	2
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	3 # ####################################################################
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	4 # Copyright (C) 2005-2010 by the FIFE team
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	5 # http://www.fifengine.net
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	6 # This file is part of FIFE.
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	7 #
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	8 # FIFE is free software; you can redistribute it and/or
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	9 # modify it under the terms of the GNU Lesser General Public
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	10 # License as published by the Free Software Foundation; either
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	11 # version 2.1 of the License, or (at your option) any later version.
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	12 #
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	13 # This library is distributed in the hope that it will be useful,
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	16 # Lesser General Public License for more details.
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	17 #
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	18 # You should have received a copy of the GNU Lesser General Public
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	19 # License along with this library; if not, write to the
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	20 # Free Software Foundation, Inc.,
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	22 # ####################################################################
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	23
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	24 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	25 Math Library
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	26 ==================================
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	27
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	28 This is a collection of useful 2D math functions/classes.
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	29 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	30
495 ae9f5383f5b1 Added a new log module called Script. This should be used by the python modules. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 494 diff changeset	31 from fife import fife
ae9f5383f5b1 Added a new log module called Script. This should be used by the python modules. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 494 diff changeset	32 import math
492 16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	33
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	34 def normalize(vector):
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	35 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	36 Helper function to normalize a 2D vector
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	37
494 e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	38 @param vector: a L{fife.DoublePoint} to be normalized
e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	39 @type vector: L{fife.DoublePoint}
492 16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	40
494 e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	41 @return: A normalized L{fife.DoublePoint}
492 16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	42 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	43 norm = fife.DoublePoint(0,0)
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	44
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	45 invLength = 1.0/vector.length()
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	46 if invLength > 1e-06:
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	47 norm.x = vector.x * invLength;
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	48 norm.y = vector.y * invLength;
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	49 else:
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	50 norm.x = 0
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	51 norm.y = 0
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	52
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	53 return norm
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	54
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	55 def rotatePoint(origin, point, angle):
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	56 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	57 Rotates a point around the specified origin.
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	58
495 ae9f5383f5b1 Added a new log module called Script. This should be used by the python modules. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 494 diff changeset	59 @param origin: A point specifying the origin.
494 e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	60 @type origin: L{fife.DoublePoint}
495 ae9f5383f5b1 Added a new log module called Script. This should be used by the python modules. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 494 diff changeset	61 @param point: The point to be rotated.
494 e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	62 @type point: L{fife.DoublePoint}
e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	63 @param angle: The angle in which to rotate the point.
e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	64 @type angle: C{int} or C{float}
492 16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	65
495 ae9f5383f5b1 Added a new log module called Script. This should be used by the python modules. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 494 diff changeset	66 @return: The rotated point.
494 e241d7553496 Fixing the epydoc markup. Did some more commenting. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 492 diff changeset	67 @rtype: L{fife.DoublePoint}
492 16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	68 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	69 newp = fife.DoublePoint(0,0)
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	70
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	71 theta = (angle * math.pi)/180
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	72
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	73 costheta = math.cos(theta)
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	74 sintheta = math.sin(theta)
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	75
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	76 x = point.x - origin.x
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	77 y = point.y - origin.y
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	78
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	79 newp.x = costheta * x - sintheta * y
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	80 newp.y = sintheta * x + costheta * y
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	81
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	82 return newp
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions. prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	83
622 c0c3f64bfc2d * Templatized Rect to extend it's functionality beyond integers prock@33b003aa-7bff-0310-803a-e67f0ece8222 parents: 495 diff changeset	84 __all__ = ['normalize','rotatePoint']

Mercurial > fife-parpg

annotate engine/python/fife/extensions/fife_math.py @ 639:685d250f2c2d