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The atmosphere now always faces the camera.

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This commit is contained in:
Quantum 2013-11-20 16:43:54 -05:00
parent 8900255b4d
commit 0198fba591
1 changed files with 7 additions and 8 deletions
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15
punyverse/game.py
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@ -267,7 +267,7 @@ class Applet(pyglet.window.Window):
else: else:
self.__time_accumulate += delta self.__time_accumulate += delta
def on_draw(self): def on_draw(self, glMatrix=GLfloat * 16):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glLoadIdentity() glLoadIdentity()
c = self.cam c = self.cam
@ -318,15 +318,14 @@ class Applet(pyglet.window.Window):
if self.atmosphere and (has_corona or has_atmosphere): if self.atmosphere and (has_corona or has_atmosphere):
glPushMatrix() glPushMatrix()
x0, y0, z0 = entity.location x0, y0, z0 = entity.location
dx, dy, dz = x - x0, y - y0, z - z0
distance = sqrt(dz * dz + dx * dx)
pitch = (360 - degrees(atan2(dy, distance)))
yaw = degrees(atan2(dx, dz))
glTranslatef(x0, y0, z0) glTranslatef(x0, y0, z0)
glRotatef(pitch, 1, 0, 0) matrix = glMatrix()
glRotatef(yaw, 0, 1, 0) glGetFloatv(GL_MODELVIEW_MATRIX, matrix)
matrix[0: 3] = [1, 0, 0]
matrix[4: 7] = [0, 1, 0]
matrix[8:11] = [0, 0, 1]
glLoadMatrixf(matrix)
if has_atmosphere: if has_atmosphere:
glCallList(entity.atmosphere) glCallList(entity.atmosphere)
if has_corona: if has_corona: