def __init__(self, parent, length=10):
"""@parent is the layer where this object is added."""
ui.String.__init__(self, parent, u"CPU:")
self.values = [0.0] * length
self.idx = 0
self.sum = 0
self.clock = sf.Clock()
self._sprite.SetSize(12)
self.set_center_rel(1.0, 0.0)
self.set_position_rel(0.97, 0.05)
self.ticks = 0
self.add_action(uiactions.CallInfinitely0(self.tick_once))
def main():
# Create main window
App = sf.RenderWindow(sf.VideoMode(800, 600), "SFML OpenGL")
App.SetActive()
# Create a sprite for the background
BackgroundImage = sf.Image()
if not BackgroundImage.LoadFromFile(
"../../samples/bin/datas/opengl/background.jpg"):
return
Background = sf.Sprite(BackgroundImage)
# Load an OpenGL texture.
# We could directly use a sf.Image as an OpenGL texture (with its Bind() member function),
# but here we want more control on it (generate mipmaps, ...) so we create a new one
Image = sf.Image()
if not Image.LoadFromFile("../../samples/bin/datas/opengl/texture.jpg"):
return
# The next line is a bit different from the C++ version
Texture = glGenTextures(1) # instead of glGenTextures(1, &Texture);
glBindTexture(GL_TEXTURE_2D, Texture)
# It is almost the same line there, except in C++, the last argument was Image.GetPixelsPtr().
# In python, GetPixels simply returns a string.
gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, Image.GetWidth(),
Image.GetHeight(), GL_RGBA, GL_UNSIGNED_BYTE,
Image.GetPixels())
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR)
# Enable Z-buffer read and write
glEnable(GL_DEPTH_TEST)
glDepthMask(GL_TRUE)
glClearDepth(1.)
# Setup a perspective projection
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(90., 1., 1., 500.)
# Bind our texture
glEnable(GL_TEXTURE_2D)
glBindTexture(GL_TEXTURE_2D, Texture)
glColor4f(1., 1., 1., 1.)
# Create a clock for measuring the time elapsed
Clock = sf.Clock()
# Start game loop
while App.IsOpened():
# Process events
Event = sf.Event()
while App.GetEvent(Event):
# Close window : exit
if Event.Type == sf.Event.Closed:
App.Close()
# Escape key : exit
if (Event.Type == sf.Event.KeyPressed) and (Event.Key.Code
== sf.Key.Escape):
App.Close()
# Adjust the viewport when the window is resized
if Event.Type == sf.Event.Resized:
glViewport(0, 0, Event.Size.Width, Event.Size.Height)
# Draw background
App.Draw(Background)
# Active window to be able to perform OpenGL commands.
App.SetActive()
# Clear depth buffer
glClear(GL_DEPTH_BUFFER_BIT)
# Apply some transformations
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glTranslatef(0, 0, -200)
glRotatef(Clock.GetElapsedTime() * 50, 1, 0, 0)
glRotatef(Clock.GetElapsedTime() * 30, 0, 1, 0)
glRotatef(Clock.GetElapsedTime() * 90, 0, 0, 1)
# Draw a cube
glBegin(GL_QUADS)
glTexCoord2f(0, 0)
glVertex3f(-50., -50., -50.)
glTexCoord2f(0, 1)
glVertex3f(-50., 50., -50.)
glTexCoord2f(1, 1)
glVertex3f(50., 50., -50.)
glTexCoord2f(1, 0)
glVertex3f(50., -50., -50.)
glTexCoord2f(0, 0)
glVertex3f(-50., -50., 50.)
glTexCoord2f(0, 1)
glVertex3f(-50., 50., 50.)
glTexCoord2f(1, 1)
glVertex3f(50., 50., 50.)
glTexCoord2f(1, 0)
glVertex3f(50., -50., 50.)
glTexCoord2f(0, 0)
glVertex3f(-50., -50., -50.)
glTexCoord2f(0, 1)
glVertex3f(-50., 50., -50.)
glTexCoord2f(1, 1)
glVertex3f(-50., 50., 50.)
glTexCoord2f(1, 0)
glVertex3f(-50., -50., 50.)
glTexCoord2f(0, 0)
glVertex3f(50., -50., -50.)
glTexCoord2f(0, 1)
glVertex3f(50., 50., -50.)
glTexCoord2f(1, 1)
glVertex3f(50., 50., 50.)
glTexCoord2f(1, 0)
glVertex3f(50., -50., 50.)
glTexCoord2f(0, 1)
glVertex3f(-50., -50., 50.)
glTexCoord2f(0, 0)
glVertex3f(-50., -50., -50.)
glTexCoord2f(1, 0)
glVertex3f(50., -50., -50.)
glTexCoord2f(1, 1)
glVertex3f(50., -50., 50.)
glTexCoord2f(0, 1)
glVertex3f(-50., 50., 50.)
glTexCoord2f(0, 0)
glVertex3f(-50., 50., -50.)
glTexCoord2f(1, 0)
glVertex3f(50., 50., -50.)
glTexCoord2f(1, 1)
glVertex3f(50., 50., 50.)
glEnd()
# Draw some text on top of our OpenGL object
Text = sf.Text("This is a rotating cube")
Text.SetPosition(230., 300.)
Text.SetColor(sf.Color(128, 0, 128))
App.Draw(Text)
# Finally, display the rendered frame on screen
App.Display()
# Don't forget to destroy our texture
# In C++, the call to this function was a bit different
glDeleteTextures(Texture) # instead of glDeleteTextures(1, &Texture);
return
# Load a fancy font.
cheese = sf.Font()
cheese.LoadFromFile("data/cheeseburger.ttf")
# Create a text.
text = sf.Text(u"Hello SFML from Python!", cheese, 50)
text.SetOrigin(text.GetRect().GetSize()[0] / 2,
text.GetRect().GetSize()[1] / 2)
text.SetPosition(400, 300)
text.SetColor(sf.Color(0, 100, 0, 100))
# Create a text for FPS display.
fpstext = sf.Text(u"FPS: --", cheese)
fpstext.SetColor(sf.Color(0, 0, 0))
currentfps = 0
fpsclock = sf.Clock()
# Load apple image from file.
appleimage = sf.Image()
appleimage.LoadFromFile("data/apple.png")
# Create some apples with random position, speed, rotation and color.
apples = [Apple(appleimage) for num in range(0, 100)]
for apple in apples:
apple.sprite.SetOrigin(appleimage.GetWidth() / 2,
appleimage.GetHeight() / 2)
apple.sprite.SetPosition(
random.randint(apple.sprite.GetOrigin()[0],
Resolution[0] - apple.sprite.GetOrigin()[0]),
random.randint(apple.sprite.GetOrigin()[1],
Resolution[1] - apple.sprite.GetOrigin()[1]))