def setState(name, pos, angles):
vs = ViewState()
_vstates[name] = vs
vs.name = name
vs.pos = vec.Vec3(pos)
vs.angles = vec.Vec3(angles)
def _mouseMove(delt):
dx = float(delt[0])
dy = float(delt[1])
pitch = hvars.angles[hvars.PITCH]
yaw = hvars.angles[hvars.YAW]
roll = hvars.angles[hvars.ROLL]
# using right-handed coordinate system, so positive yaw goes
# left across the screen and positive roll goes down
yaw += hvars.fov_x * (-dx / hvars.WIDTH)
pitch += hvars.fov_y * (dy / hvars.HEIGHT)
# restrict camera angles
pitch = min(pitch, math.pi / 2.0)
pitch = max(pitch, -math.pi / 2.0)
while yaw >= math.pi * 2.0:
yaw -= math.pi * 2.0
while yaw < 0.0:
yaw += math.pi * 2.0
hvars.angles = vec.Vec3(pitch, yaw, roll)
_calcViewVecs()
def init():
hvars.pos = vec.Vec3()
hvars.angles = vec.Vec3()
hvars.left = vec.Vec3()
hvars.up = vec.Vec3()
hvars.forward = vec.Vec3()
hvars.fov_x = math.radians(fov)
dist = (hvars.WIDTH / 2.0) / math.tan(hvars.fov_x / 2.0)
hvars.fov_y = 2.0 * math.atan((hvars.HEIGHT / 2.0) / dist)
hvars.c_api.R_SetupProjection(ctypes.c_float(hvars.fov_x))
_calcViewVecs()
hio.bind("mousemove", _mouseMove)
hio.bindContinuous(".", _moveForward)
hio.bindContinuous("u", _moveRight)
hio.bindContinuous("e", _moveBack)
hio.bindContinuous("o", _moveLeft)
hio.bindContinuous("button3", _moveUp)
def _calcViewVecs():
xform = vec.anglesMatrix(-hvars.angles)
hvars.left = vec.Vec3(xform[0])
hvars.up = vec.Vec3(xform[1])
hvars.forward = vec.Vec3(xform[2])
def setCamera(pos, angles):
hvars.pos = vec.Vec3(pos)
hvars.angles = vec.Vec3(angles)
def _V(x, y, z):
VV.append(vec.Vec3(x, y, z))