我做了两个立方体的视口,但它们都是正前方的正交投影,我需要从侧面看。 这是一个绘图代码 draw\u small是静态立方体的绘制 大矮人画的是大立方体,可以移动,缩放和旋转
def on_draw(self) :
self.clear()
pgl.glClear(pgl.GL_COLOR_BUFFER_BIT | pgl.GL_DEPTH_BUFFER_BIT)
pgl.glViewport(0, 0, 650, 500)
pgl.glMatrixMode(pgl.GL_PROJECTION)
pgl.glLoadIdentity()
pgl.glOrtho(-1300 / 8, 1300 / 8, -1000 / 8, 1000 / 8, 100, 500)
pgl.glMatrixMode(pgl.GL_MODELVIEW)
pgl.glLoadIdentity
pgl.glTranslatef(0, 0, -100)
pgl.glPolygonMode(pgl.GL_FRONT_AND_BACK, pgl.GL_FILL)
draw_small()
pgl.glPushMatrix()
pgl.glTranslatef(self.x, self.y, self.z)
pgl.glRotatef(self.xRotation, 1, 0, 0)
pgl.glRotatef(self.yRotation, 0, 1, 0)
pgl.glRotatef(self.zRotation, 0, 0, 1)
pgl.glScalef(self.zoom, self.zoom, self.zoom)
if not transparant:
pgl.glPolygonMode(pgl.GL_FRONT_AND_BACK, pgl.GL_FILL)
else:
ogl.glPolygonMode(pgl.GL_FRONT_AND_BACK, pgl.GL_LINE)
draw_big()
pgl.glPopMatrix()
pgl.glViewport(650, 0, 650, 500)
pgl.glMatrixMode(pgl.GL_PROJECTION)
pgl.glLoadIdentity()
pgl.glOrtho(-1300 / 8, 1300 / 8, -1000 / 8, 1000 / 8, 0, 500)
pgl.glMatrixMode(pgl.GL_MODELVIEW)
pgl.glLoadIdentity()
pgl.glTranslatef(0, 0, -100)
pgl.glPolygonMode(pgl.GL_FRONT_AND_BACK, pgl.GL_FILL)
draw_small()
pgl.glPushMatrix()
pgl.glTranslatef(self.x, self.y, self.z)
pgl.glRotatef(self.xRotation, 1, 0, 0)
pgl.glRotatef(self.yRotation, 0, 1, 0)
pgl.glRotatef(self.zRotation, 0, 0, 1)
pgl.glScalef(self.zoom, self.zoom, self.zoom)
if not transparant:
pgl.glPolygonMode(pgl.GL_FRONT_AND_BACK, pgl.GL_FILL)
else:
pgl.glPolygonMode(pgl.GL_FRONT_AND_BACK, pgl.GL_LINE)
draw_big()
pgl.glPopMatrix()
只需围绕视图sapce中的y轴旋转视图90度:
注意,左视图和右视图是由
pgl.glRotatef(-90, 0, 1, 0)
和pgl.glRotatef(90, 0, 1, 0)
生成的。顶视图和底视图是通过围绕视图sapce x轴分别旋转
pgl.glRotatef(90, 1, 0, 0)
pgl.glRotatef(-90, 0, 1, 0)
来实现的。你知道吗相关问题 更多 >
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