def setFilter(self, min=None, mag=GL_LINEAR):
Texture.bind(self)
if min is None:
if self.useMipmaps:
min = GL_LINEAR_MIPMAP_LINEAR
else:
min = GL_LINEAR
glTexParameteri(self.glTarget, GL_TEXTURE_MIN_FILTER, min)
glTexParameteri(self.glTarget, GL_TEXTURE_MAG_FILTER, mag)
def setRepeat(self, u=GL_REPEAT, v=GL_REPEAT): Texture.bind(self) glTexParameteri(self.glTarget, GL_TEXTURE_WRAP_S, u) glTexParameteri(self.glTarget, GL_TEXTURE_WRAP_T, v)
def textureSetup(self):
# Free memory if we already allocated space for textures.
if len(self.animTexs) > 0:
glDeleteTextures(self.animTexs)
self.animTexs = glGenTextures(len(self.animImgs))
for texIdx, img in enumerate(self.animImgs):
animSize = img.get_size()
if img.get_alpha is None:
color = "RGB"
colorGL = GL_RGB
else:
color = "RGBA"
colorGL = GL_RGBA
# Log.debug("AnimationPlayer: Image %d format: %s (%dx%d)" % (texIdx, color, animSize[0], animSize[1]))
glBindTexture(GL_TEXTURE_2D, self.animTexs[texIdx])
surfaceData = pygame.image.tostring(img, color, True)
# Linear filtering
glTexImage2D(GL_TEXTURE_2D, 0, 3, animSize[0], animSize[1], 0, colorGL,
GL_UNSIGNED_BYTE, surfaceData)
# MipMapping
# gluBuild2DMipmaps(GL_TEXTURE_2D, colorGL,
# animSize[0], animSize[1], colorGL,
# GL_UNSIGNED_BYTE, surfaceData)
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D,
GL_TEXTURE_MIN_FILTER, GL_LINEAR)
Log.debug("AnimationPlayer progress: %d%%" % \
( 100*(texIdx+1+len(self.animImgs)) / \
(2*len(self.animImgs)) ))
# Resize animation (polygon) to respect resolution ratio
# (The math is actually simple, take the time to draw it down if required)
winRes = float(self.winWidth)/float(self.winHeight)
animWidth = float(self.animImgs[0].get_size()[0])
animHeight = float(self.animImgs[0].get_size()[1])
animRes = animWidth/animHeight
vtxX = 1.0
vtxY = 1.0
if winRes > animRes:
r = float(self.winHeight)/animHeight
vtxX = 1.0 - abs(self.winWidth-r*animWidth) / (float(self.winWidth))
elif winRes < animRes:
r = float(self.winWidth)/animWidth
vtxY = 1.0 - abs(self.winHeight-r*animHeight) / (float(self.winHeight))
# Vertices
animVtx = array([[-vtxX, vtxY],
[ vtxX, -vtxY],
[ vtxX, vtxY],
[-vtxX, vtxY],
[-vtxX, -vtxY],
[ vtxX, -vtxY]], dtype=float32)
# Texture coordinates
texCoord = array([[0.0, 1.0],
[1.0, 0.0],
[1.0, 1.0],
[0.0, 1.0],
[0.0, 0.0],
[1.0, 0.0]], dtype=float32)
# Create a compiled OpenGL call list and do array-based drawing
# Could have used GL_QUADS but IIRC triangles are recommended
self.animList = cmglList()
with self.animList:
glEnable(GL_TEXTURE_2D)
glColor3f(1., 1., 1.)
cmglDrawArrays(GL_TRIANGLE_STRIP, vertices=animVtx, texcoords=texCoord)
glDisable(GL_TEXTURE_2D)
