mirror of
https://github.com/wxWidgets/Phoenix.git
synced 2025-09-07 02:10:42 +02:00
171 lines
4.2 KiB
Python
171 lines
4.2 KiB
Python
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import sys
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import wx
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import wx.glcanvas as glcanvas
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try:
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from OpenGL.GL import *
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from OpenGL.GLUT import *
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haveOpenGL = True
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except ImportError:
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haveOpenGL = False
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#----------------------------------------------------------------------
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class MyCanvasBase(glcanvas.GLCanvas):
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def __init__(self, parent):
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glcanvas.GLCanvas.__init__(self, parent, -1)
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self.init = False
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self.context = glcanvas.GLContext(self)
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self.lastx = self.x = 30
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self.lasty = self.y = 30
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self.size = None
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self.SetBackgroundStyle(wx.BG_STYLE_PAINT)
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self.Bind(wx.EVT_SIZE, self.OnSize)
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self.Bind(wx.EVT_PAINT, self.OnPaint)
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self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseDown)
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self.Bind(wx.EVT_LEFT_UP, self.OnMouseUp)
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self.Bind(wx.EVT_MOTION, self.OnMouseMotion)
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def OnSize(self, event):
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wx.CallAfter(self.DoSetViewport)
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event.Skip()
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def DoSetViewport(self):
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size = self.size = self.GetClientSize()
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self.SetCurrent(self.context)
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glViewport(0, 0, size.width, size.height)
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def OnPaint(self, event):
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dc = wx.PaintDC(self)
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self.SetCurrent(self.context)
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if not self.init:
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self.InitGL()
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self.init = True
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self.OnDraw()
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def OnMouseDown(self, evt):
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self.CaptureMouse()
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self.x, self.y = self.lastx, self.lasty = evt.GetPosition()
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def OnMouseUp(self, evt):
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self.ReleaseMouse()
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def OnMouseMotion(self, evt):
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if evt.Dragging() and evt.LeftIsDown():
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self.lastx, self.lasty = self.x, self.y
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self.x, self.y = evt.GetPosition()
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self.Refresh(False)
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class CubeCanvas(MyCanvasBase):
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def InitGL(self):
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# set viewing projection
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glMatrixMode(GL_PROJECTION)
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glFrustum(-0.5, 0.5, -0.5, 0.5, 1.0, 3.0)
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# position viewer
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glMatrixMode(GL_MODELVIEW)
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glTranslatef(0.0, 0.0, -2.0)
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# position object
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glRotatef(self.y, 1.0, 0.0, 0.0)
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glRotatef(self.x, 0.0, 1.0, 0.0)
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glEnable(GL_DEPTH_TEST)
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glEnable(GL_LIGHTING)
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glEnable(GL_LIGHT0)
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def OnDraw(self):
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# clear color and depth buffers
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
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# draw six faces of a cube
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glBegin(GL_QUADS)
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glNormal3f( 0.0, 0.0, 1.0)
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glVertex3f( 0.5, 0.5, 0.5)
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glVertex3f(-0.5, 0.5, 0.5)
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glVertex3f(-0.5,-0.5, 0.5)
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glVertex3f( 0.5,-0.5, 0.5)
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glNormal3f( 0.0, 0.0,-1.0)
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glVertex3f(-0.5,-0.5,-0.5)
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glVertex3f(-0.5, 0.5,-0.5)
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glVertex3f( 0.5, 0.5,-0.5)
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glVertex3f( 0.5,-0.5,-0.5)
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glNormal3f( 0.0, 1.0, 0.0)
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glVertex3f( 0.5, 0.5, 0.5)
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glVertex3f( 0.5, 0.5,-0.5)
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glVertex3f(-0.5, 0.5,-0.5)
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glVertex3f(-0.5, 0.5, 0.5)
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glNormal3f( 0.0,-1.0, 0.0)
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glVertex3f(-0.5,-0.5,-0.5)
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glVertex3f( 0.5,-0.5,-0.5)
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glVertex3f( 0.5,-0.5, 0.5)
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glVertex3f(-0.5,-0.5, 0.5)
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glNormal3f( 1.0, 0.0, 0.0)
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glVertex3f( 0.5, 0.5, 0.5)
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glVertex3f( 0.5,-0.5, 0.5)
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glVertex3f( 0.5,-0.5,-0.5)
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glVertex3f( 0.5, 0.5,-0.5)
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glNormal3f(-1.0, 0.0, 0.0)
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glVertex3f(-0.5,-0.5,-0.5)
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glVertex3f(-0.5,-0.5, 0.5)
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glVertex3f(-0.5, 0.5, 0.5)
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glVertex3f(-0.5, 0.5,-0.5)
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glEnd()
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if self.size is None:
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self.size = self.GetClientSize()
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w, h = self.size
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w = max(w, 1.0)
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h = max(h, 1.0)
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xScale = 180.0 / w
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yScale = 180.0 / h
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glRotatef((self.y - self.lasty) * yScale, 1.0, 0.0, 0.0);
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glRotatef((self.x - self.lastx) * xScale, 0.0, 1.0, 0.0);
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self.SwapBuffers()
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#----------------------------------------------------------------------
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if __name__ == '__main__':
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app = wx.App(False)
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if not haveOpenGL:
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wx.MessageBox('This sample requires the PyOpenGL package.', 'Sorry')
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else:
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frm = wx.Frame(None, title='GLCanvas Sample')
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canvas = CubeCanvas(frm)
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frm.Show()
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app.MainLoop()
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#----------------------------------------------------------------------
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