def background(*color):
"""Clears the screen with color.
Color may be an (r,g,b) tuple or a single gray value. If depth testing is
turned on, also clears the depth buffer."""
if len(color) == 1 and isinstance(color[0],PImage):
image(color[0],0,0)
else:
color = _getColor(*color)
glClearColor (*color)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
def updatePixels():
"""Updates the display window with the data in the pixels array."""
new = createImage(width,height,'RGBA')
color = _getColor((200))
glClearColor (*color)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
if npy:
new.pixels = numpy.array(screen.pixels)
new.updatePixels()
else:
for i in range(width*height): new.pixels[i] = screen.pixels[i]
image(new,0,0)
def updatePixels():
"""Updates the display window with the data in the pixels array."""
new = createImage(width, height, 'RGBA')
color = _getColor((200))
glClearColor(*color)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
if npy:
new.pixels = numpy.array(screen.pixels)
new.updatePixels()
else:
for i in range(width * height):
new.pixels[i] = screen.pixels[i]
image(new, 0, 0)
def ambientLight(v1,v2,v3,x=0,y=0,z=0):
"""Adds an ambient light."""
_lightsOn()
color = _getColor(v1,v2,v3)
n = GL_LIGHT0 + attrib.lightCount
attrib.lightCount += 1
glLightfv(n, GL_DIFFUSE, (ctypes.c_float * 3)(0,0,0))
glLightfv(n, GL_AMBIENT, (ctypes.c_float * 4)(*color))
glLightfv(n, GL_SPECULAR, (ctypes.c_float * 3)(0,0,0))
glLightfv(n, GL_POSITION, (ctypes.c_float * 4)(x,y,z,0))
constant, linear, quadratic = attrib.lightFalloff
glLightf(n, GL_LINEAR_ATTENUATION, linear)
glLightf(n, GL_QUADRATIC_ATTENUATION, quadratic)
glLightf(n, GL_CONSTANT_ATTENUATION, constant)
glEnable(n)
def ambientLight(v1, v2, v3, x=0, y=0, z=0):
"""Adds an ambient light."""
_lightsOn()
color = _getColor(v1, v2, v3)
n = GL_LIGHT0 + attrib.lightCount
attrib.lightCount += 1
glLightfv(n, GL_DIFFUSE, (ctypes.c_float * 3)(0, 0, 0))
glLightfv(n, GL_AMBIENT, (ctypes.c_float * 4)(*color))
glLightfv(n, GL_SPECULAR, (ctypes.c_float * 3)(0, 0, 0))
glLightfv(n, GL_POSITION, (ctypes.c_float * 4)(x, y, z, 0))
constant, linear, quadratic = attrib.lightFalloff
glLightf(n, GL_LINEAR_ATTENUATION, linear)
glLightf(n, GL_QUADRATIC_ATTENUATION, quadratic)
glLightf(n, GL_CONSTANT_ATTENUATION, constant)
glEnable(n)
def pointLight(v1,v2,v3,x,y,z):
"""Adds a point light (diffuse/specular) with the given color and position."""
_lightsOn()
color = _getColor(v1,v2,v3)
n = GL_LIGHT0 + attrib.lightCount
attrib.lightCount += 1
glLightfv(n, GL_DIFFUSE, (ctypes.c_float * 4)(*color))
glLightfv(n, GL_AMBIENT, (ctypes.c_float * 3)(0,0,0))
glLightfv(n, GL_SPECULAR, (ctypes.c_float * 4)(*attrib.lightSpecular))
glLightfv(n, GL_POSITION, (ctypes.c_float * 4)(x,y,z,1))
glLightfv(n, GL_SPOT_DIRECTION, (ctypes.c_float * 3)(0,0,-1))
glLightf(n, GL_SPOT_EXPONENT, 0)
glLightf(n, GL_SPOT_CUTOFF, 180)
constant, linear, quadratic = attrib.lightFalloff
glLightf(n, GL_LINEAR_ATTENUATION, linear)
glLightf(n, GL_QUADRATIC_ATTENUATION, quadratic)
glLightf(n, GL_CONSTANT_ATTENUATION, constant)
glEnable(n)
def spotLight(v1, v2, v3, x, y, z, nx, ny, nz, angle, concentration):
"""Adds a spot light source."""
_lightsOn()
color = _getColor(v1,v2,v3)
n = GL_LIGHT0 + attrib.lightCount
attrib.lightCount += 1
glLightfv(n, GL_DIFFUSE, (ctypes.c_float * 4)(*color))
glLightfv(n, GL_AMBIENT, (ctypes.c_float * 3)(0,0,0))
glLightfv(n, GL_SPECULAR, (ctypes.c_float * 3)(0,0,0))
glLightfv(n, GL_POSITION, (ctypes.c_float * 4)(x,y,z,1))
glLightfv(n, GL_SPOT_DIRECTION, (ctypes.c_float * 3)(nx,ny,nz))
glLightf(n, GL_SPOT_EXPONENT, concentration)
glLightf(n, GL_SPOT_CUTOFF, math.degrees(angle))
constant, linear, quadratic = attrib.lightFalloff
glLightf(n, GL_LINEAR_ATTENUATION, linear)
glLightf(n, GL_QUADRATIC_ATTENUATION, quadratic)
glLightf(n, GL_CONSTANT_ATTENUATION, constant)
glEnable(n)
def pointLight(v1, v2, v3, x, y, z):
"""Adds a point light (diffuse/specular) with the given color and position."""
_lightsOn()
color = _getColor(v1, v2, v3)
n = GL_LIGHT0 + attrib.lightCount
attrib.lightCount += 1
glLightfv(n, GL_DIFFUSE, (ctypes.c_float * 4)(*color))
glLightfv(n, GL_AMBIENT, (ctypes.c_float * 3)(0, 0, 0))
glLightfv(n, GL_SPECULAR, (ctypes.c_float * 4)(*attrib.lightSpecular))
glLightfv(n, GL_POSITION, (ctypes.c_float * 4)(x, y, z, 1))
glLightfv(n, GL_SPOT_DIRECTION, (ctypes.c_float * 3)(0, 0, -1))
glLightf(n, GL_SPOT_EXPONENT, 0)
glLightf(n, GL_SPOT_CUTOFF, 180)
constant, linear, quadratic = attrib.lightFalloff
glLightf(n, GL_LINEAR_ATTENUATION, linear)
glLightf(n, GL_QUADRATIC_ATTENUATION, quadratic)
glLightf(n, GL_CONSTANT_ATTENUATION, constant)
glEnable(n)
def spotLight(v1, v2, v3, x, y, z, nx, ny, nz, angle, concentration):
"""Adds a spot light source."""
_lightsOn()
color = _getColor(v1, v2, v3)
n = GL_LIGHT0 + attrib.lightCount
attrib.lightCount += 1
glLightfv(n, GL_DIFFUSE, (ctypes.c_float * 4)(*color))
glLightfv(n, GL_AMBIENT, (ctypes.c_float * 3)(0, 0, 0))
glLightfv(n, GL_SPECULAR, (ctypes.c_float * 3)(0, 0, 0))
glLightfv(n, GL_POSITION, (ctypes.c_float * 4)(x, y, z, 1))
glLightfv(n, GL_SPOT_DIRECTION, (ctypes.c_float * 3)(nx, ny, nz))
glLightf(n, GL_SPOT_EXPONENT, concentration)
glLightf(n, GL_SPOT_CUTOFF, math.degrees(angle))
constant, linear, quadratic = attrib.lightFalloff
glLightf(n, GL_LINEAR_ATTENUATION, linear)
glLightf(n, GL_QUADRATIC_ATTENUATION, quadratic)
glLightf(n, GL_CONSTANT_ATTENUATION, constant)
glEnable(n)
def ambient(*args):
"""Ambient reflection material properties."""
color = _getColor(*args)
glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT, (ctypes.c_float * 4)(*color))
def specular(*args):
"""Specular reflection material properties."""
color = _getColor(*args)
glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR, (ctypes.c_float * 4)(*color))
def emissive(*args):
"""Emission material Properties"""
color = _getColor(*args)
glMaterialfv (GL_FRONT_AND_BACK, GL_EMISSION, (ctypes.c_float * 4)(*color))
def tint(*color):
"""Sets color as a tint for drawing images."""
attrib.tintColor = _getColor(*color)
def fill(*color):
"""Sets color as color for drawing filled shapes."""
attrib.fillColor = _getColor(*color)
def stroke(*color):
"""Sets color as color for drawing lines and shape borders."""
attrib.strokeColor = _getColor(*color)
def tint(*color):
"""Sets color as a tint for drawing images."""
attrib.tintColor = _getColor(*color)
def fill(*color):
"""Sets color as color for drawing filled shapes."""
attrib.fillColor = _getColor(*color)
def stroke(*color):
"""Sets color as color for drawing lines and shape borders."""
attrib.strokeColor = _getColor(*color)
def emissive(*args):
"""Emission material Properties"""
color = _getColor(*args)
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, (ctypes.c_float * 4)(*color))
def specular(*args):
"""Specular reflection material properties."""
color = _getColor(*args)
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, (ctypes.c_float * 4)(*color))
def lightSpecular(v1, v2, v3):
"""Sets the specular coefficients for light sources defined afterwards."""
attrib.lightSpecular = _getColor(v1, v2, v3)
def ambient(*args):
"""Ambient reflection material properties."""
color = _getColor(*args)
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, (ctypes.c_float * 4)(*color))
def lightSpecular (v1,v2,v3):
"""Sets the specular coefficients for light sources defined afterwards."""
attrib.lightSpecular = _getColor(v1,v2,v3)
