def model_to_screen(x, y, z):
m = get_model_matrix(c_double, pgl.glGetDoublev)
p = get_projection_matrix(c_double, pgl.glGetDoublev)
w = get_viewport()
mx, my, mz = c_double(), c_double(), c_double()
pgl.gluProject(x, y, z, m, p, w, mx, my, mz)
return float(mx.value), float(my.value), float(mz.value)
def model_to_screen(x, y, z):
m = get_model_matrix(c_double, pgl.glGetDoublev)
p = get_projection_matrix(c_double, pgl.glGetDoublev)
w = get_viewport()
mx, my, mz = c_double(), c_double(), c_double()
pgl.gluProject(x, y, z, m, p, w, mx, my, mz)
return float(mx.value), float(my.value), float(mz.value)
def _worldobj_on_translate(control, target, x, y, dx, dy):
from miru.context import context
from miru import camera
self = control
if isinstance(context.camera, camera.MetaCamera):
context.camera.focussed.render()
viewport = (gl.GLint * 4)()
mvmatrix = (gl.GLdouble * 16)()
projmatrix = (gl.GLdouble * 16)()
gl.glGetIntegerv(gl.GL_VIEWPORT, viewport)
gl.glGetDoublev(gl.GL_MODELVIEW_MATRIX, mvmatrix)
gl.glGetDoublev(gl.GL_PROJECTION_MATRIX, projmatrix)
wx = gl.GLdouble()
wy = gl.GLdouble()
wz = gl.GLdouble()
sz = gl.GLdouble()
ex = target.pos.x
ey = target.pos.y
ez = target.pos.z
gl.gluProject(ex, ey, ez, mvmatrix, projmatrix,
viewport, wx, wy, sz)
gl.gluUnProject(x, y, sz,
mvmatrix, projmatrix, viewport, wx, wy, wz)
if self.axis == self.AXIS_X:
target.pos = (wx.value, wz.value, target.pos.z)
elif self.axis == self.AXIS_Y:
target.pos = (target.pos.x, wy.value, wz.value)
elif self.axis == self.AXIS_Z:
tz = dy * 0.01
tz += (dx * 0.01)
target.pos += (0, 0, tz)
else:
target.pos = (wx.value, wy.value, wz.value)
def model_to_screen(c):
"""
Returns the screen point of given 3D coordinate
:param c: The 3D coordinates
:type c: 3-tuple of float (x,y,z)
:rtype: 3-tuple float (x,y,z)
"""
m = (c_double*16)()
glGetDoublev(GL_MODELVIEW_MATRIX, m)
p = (c_double*16)()
glGetDoublev(GL_PROJECTION_MATRIX, p)
v = (c_int*4)()
glGetIntegerv(GL_VIEWPORT, v)
x, y, z = c_double(), c_double(), c_double()
gluProject(c[0], c[1], c[2], m, p, v, x, y, z)
return x, y, z