| 1 | # PySoy's models.Axis class |
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| 2 | # |
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| 3 | # Copyright (C) 2006,2007,2008 PySoy Group |
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| 4 | # |
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| 5 | # This program is free software; you can redistribute it and/or modify |
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| 6 | # it under the terms of the GNU Affero General Public License as published |
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| 7 | # by the Free Software Foundation, either version 3 of the License, or |
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| 8 | # (at your option) any later version. |
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| 9 | # |
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| 10 | # This program is distributed in the hope that it will be useful, |
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | # GNU Affero General Public License for more details. |
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| 14 | # |
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| 15 | # You should have received a copy of the GNU Affero General Public License |
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| 16 | # along with this program; if not, see http://www.gnu.org/licenses |
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| 17 | # |
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| 18 | # $Id: Axis.pym 1358 2008-09-10 19:02:17Z DavidCzech $ |
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| 19 | |
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| 20 | cdef class Axis (Model) : |
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| 21 | '''soy.models.Axis |
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| 22 | |
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| 23 | This L{models class<soy.models>} renders a "XYZ axis" oriented to each |
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| 24 | body it's attached to. This is useful for debugging. |
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| 25 | ''' |
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| 26 | def __cinit__( self ) : |
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| 27 | #self._axis = <gl.GLfloat *> ( 0,0,0, 1,0,0, # format XYZRGB |
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| 28 | # 1,0,0, 1,0,0 ) |
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| 29 | # # 1.,0.3,0. 1,0,0 |
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| 30 | self._axis[0] = 0 |
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| 31 | self._axis[1] = 0 |
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| 32 | self._axis[2] = 0 |
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| 33 | self._axis[3] = 1 |
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| 34 | self._axis[4] = 0 |
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| 35 | self._axis[5] = 0 |
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| 36 | self._axis[6] = 1 |
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| 37 | self._axis[7] = 0 |
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| 38 | self._axis[8] = 0 |
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| 39 | self._axis[9] = 1 |
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| 40 | self._axis[10] = 0 |
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| 41 | self._axis[11] = 0 |
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| 42 | self._elements[0] = <char>0 |
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| 43 | self._elements[1] = <char>1 |
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| 44 | self._vertexBuffer = 0 |
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| 45 | self._elementBuffer = 0 |
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| 46 | # Generate Buffers |
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| 47 | |
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| 48 | cdef void _createBuffer(self) : |
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| 49 | gl.glGenBuffersARB(1, <gl.GLuint*> &self._vertexBuffer); |
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| 50 | gl.glBindBufferARB(gl.GL_ARRAY_BUFFER_ARB, self._vertexBuffer); |
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| 51 | gl.glBufferDataARB(gl.GL_ARRAY_BUFFER_ARB,sizeof(self._axis) , self._axis, gl.GL_STATIC_DRAW_ARB); |
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| 52 | gl.glGenBuffersARB(1, <gl.GLuint*> &self._elementBuffer); |
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| 53 | gl.glBindBufferARB(gl.GL_ARRAY_BUFFER_ARB, self._elementBuffer); |
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| 54 | gl.glBufferDataARB(gl.GL_ARRAY_BUFFER_ARB, sizeof(self._elements), self._elements, gl.GL_STATIC_DRAW_ARB); |
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| 55 | |
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| 56 | ############################################################################ |
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| 57 | # |
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| 58 | # WindowLoop Functions |
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| 59 | # |
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| 60 | |
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| 61 | cdef void _render(self, soy.bodies.Body _body) : |
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| 62 | # |
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| 63 | # This should be upgraded to use VBO. Test for buffer ID here. |
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| 64 | # |
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| 65 | if self._vertexBuffer : |
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| 66 | gl.glBindBufferARB(gl.GL_ARRAY_BUFFER_ARB, <gl.GLuint> self._vertexBuffer) # Bind to buffer for rendering below |
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| 67 | gl.glBindBufferARB(gl.GL_ELEMENT_ARRAY_BUFFER_ARB, self._elementBuffer) |
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| 68 | else: |
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| 69 | self._createBuffer() |
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| 70 | gl.glDisableClientState(gl.GL_TEXTURE_COORD_ARRAY); |
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| 71 | gl.glDisableClientState(gl.GL_NORMAL_ARRAY); |
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| 72 | gl.glEnableClientState(gl.GL_COLOR_ARRAY); # We need to render with color arrays |
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| 73 | gl.glVertexPointer(3, gl.GL_FLOAT, 0,<gl.GLvoid *> 0); |
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| 74 | gl.glColorPointer(3,gl.GL_FLOAT,3*sizeof(float),<gl.GLvoid *>0); |
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| 75 | #gl.glPushMatrix() |
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| 76 | gl.glDisable(gl.GL_CULL_FACE) |
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| 77 | gl.glDisable(gl.GL_DEPTH_TEST) |
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| 78 | gl.glDisable(gl.GL_LIGHTING) |
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| 79 | gl.glDrawElements(gl.GL_LINES,1,gl.GL_UNSIGNED_BYTE,<gl.GLvoid *>0) |
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| 80 | gl.glEnable(gl.GL_LIGHTING) |
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| 81 | gl.glEnable(gl.GL_DEPTH_TEST) |
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| 82 | gl.glEnable(gl.GL_CULL_FACE) |
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| 83 | #gl.glPopMatrix() |
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| 84 | gl.glDisableClientState(gl.GL_COLOR_ARRAY); |
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| 85 | gl.glEnableClientState(gl.GL_TEXTURE_COORD_ARRAY); |
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| 86 | gl.glEnableClientState(gl.GL_NORMAL_ARRAY); |
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