""" RenderPipeline Copyright (c) 2014-2016 tobspr Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. """ # Disable the "exactly one space required after comma" message, for the input # bindings it looks nicer to insert some spaces (see the setup method) # pylint: disable=bad-whitespace from __future__ import print_function import sys import os import subprocess from panda3d.core import ModifierButtons, Vec3, PStatClient from panda3d.core import Point3, CurveFitter class MovementController(object): """ This is a helper class, used to controll the camera and enable various debugging features. It is not really part of the pipeline, but included to view the demo scenes. """ def __init__(self, showbase): self.showbase = showbase self.movement = [0, 0, 0] self.velocity = Vec3(0.0) self.hpr_movement = [0, 0] self.speed = 0.4 self.initial_position = Vec3(0) self.initial_destination = Vec3(0) self.initial_hpr = Vec3(0) self.mouse_enabled = False self.last_mouse_pos = [0, 0] self.mouse_sensivity = 0.7 self.keyboard_hpr_speed = 0.4 self.use_hpr = False self.smoothness = 6.0 self.bobbing_amount = 0.0 self.bobbing_speed = 0.5 def set_initial_position(self, pos, target): """ Sets the initial camera position """ self.initial_position = pos self.initial_destination = target self.use_hpr = False self.reset_to_initial() def set_initial_position_hpr(self, pos, hpr): """ Sets the initial camera position """ self.initial_position = pos self.initial_hpr = hpr self.use_hpr = True self.reset_to_initial() def reset_to_initial(self): """ Resets the camera to the initial position """ self.showbase.camera.set_pos(self.initial_position) if self.use_hpr: self.showbase.camera.set_hpr(self.initial_hpr) else: self.showbase.camera.look_at( self.initial_destination.x, self.initial_destination.y, self.initial_destination.z) def set_movement(self, direction, amount): self.movement[direction] = amount def set_hpr_movement(self, direction, amount): self.hpr_movement[direction] = amount def set_mouse_enabled(self, enabled): self.mouse_enabled = enabled def increase_speed(self): self.speed *= 1.4 def decrease_speed(self): self.speed *= 0.6 def unbind(self): """ Unbinds the movement controler and restores the previous state """ raise NotImplementedError() @property def clock_obj(self): """ Returns the global clock object """ return self.showbase.taskMgr.globalClock def setup(self): """ Attaches the movement controller and inits the keybindings """ # x self.showbase.accept("raw-w", self.set_movement, [0, 1]) self.showbase.accept("raw-w-up", self.set_movement, [0, 0]) self.showbase.accept("raw-s", self.set_movement, [0, -1]) self.showbase.accept("raw-s-up", self.set_movement, [0, 0]) # y self.showbase.accept("raw-a", self.set_movement, [1, -1]) self.showbase.accept("raw-a-up", self.set_movement, [1, 0]) self.showbase.accept("raw-d", self.set_movement, [1, 1]) self.showbase.accept("raw-d-up", self.set_movement, [1, 0]) # z self.showbase.accept("space", self.set_movement, [2, 1]) self.showbase.accept("space-up", self.set_movement, [2, 0]) self.showbase.accept("shift", self.set_movement, [2, -1]) self.showbase.accept("shift-up", self.set_movement, [2, 0]) # wireframe + debug + buffer viewer self.showbase.accept("f3", self.showbase.toggle_wireframe) self.showbase.accept("f11", lambda: self.showbase.win.save_screenshot("screenshot.png")) self.showbase.accept("j", self.print_position) # mouse self.showbase.accept("mouse3", self.set_mouse_enabled, [True]) self.showbase.accept("mouse3-up", self.set_mouse_enabled, [False]) # arrow mouse navigation self.showbase.accept("arrow_up", self.set_hpr_movement, [1, 1]) self.showbase.accept("arrow_up-up", self.set_hpr_movement, [1, 0]) self.showbase.accept("arrow_down", self.set_hpr_movement, [1, -1]) self.showbase.accept("arrow_down-up", self.set_hpr_movement, [1, 0]) self.showbase.accept("arrow_left", self.set_hpr_movement, [0, 1]) self.showbase.accept("arrow_left-up", self.set_hpr_movement, [0, 0]) self.showbase.accept("arrow_right", self.set_hpr_movement, [0, -1]) self.showbase.accept("arrow_right-up", self.set_hpr_movement, [0, 0]) # increase / decrease speed self.showbase.accept("+", self.increase_speed) self.showbase.accept("-", self.decrease_speed) # disable modifier buttons to be able to move while pressing shift for # example self.showbase.mouseWatcherNode.set_modifier_buttons(ModifierButtons()) self.showbase.buttonThrowers[0].node().set_modifier_buttons(ModifierButtons()) # disable pandas builtin mouse control self.showbase.disableMouse() # add ourself as an update task which gets executed very early before # the rendering self.update_task = self.showbase.addTask( self.update, "RP_UpdateMovementController", sort=-40) # Hotkeys to connect to pstats and reset the initial position self.showbase.accept("1", PStatClient.connect) self.showbase.accept("3", self.reset_to_initial) def print_position(self): """ Prints the camera position and hpr """ pos = self.showbase.cam.get_pos(self.showbase.render) hpr = self.showbase.cam.get_hpr(self.showbase.render) print("(Vec3({}, {}, {}), Vec3({}, {}, {})),".format( pos.x, pos.y, pos.z, hpr.x, hpr.y, hpr.z)) def update(self, task): """ Internal update method """ delta = self.clock_obj.get_dt() # Update mouse first if self.showbase.mouseWatcherNode.has_mouse(): x = self.showbase.mouseWatcherNode.get_mouse_x() y = self.showbase.mouseWatcherNode.get_mouse_y() self.current_mouse_pos = (x * self.showbase.camLens.get_fov().x * self.mouse_sensivity, y * self.showbase.camLens.get_fov().y * self.mouse_sensivity) if self.mouse_enabled: diffx = self.last_mouse_pos[0] - self.current_mouse_pos[0] diffy = self.last_mouse_pos[1] - self.current_mouse_pos[1] # Don't move in the very beginning if self.last_mouse_pos[0] == 0 and self.last_mouse_pos[1] == 0: diffx = 0 diffy = 0 self.showbase.camera.set_h(self.showbase.camera.get_h() + diffx) self.showbase.camera.set_p(self.showbase.camera.get_p() - diffy) self.last_mouse_pos = self.current_mouse_pos[:] # Compute movement in render space movement_direction = (Vec3(self.movement[1], self.movement[0], 0) * self.speed * delta * 100.0) # transform by the camera direction camera_quaternion = self.showbase.camera.get_quat(self.showbase.render) translated_direction = camera_quaternion.xform(movement_direction) # z-force is inddpendent of camera direction translated_direction.add_z( self.movement[2] * delta * 120.0 * self.speed) self.velocity += translated_direction * 0.15 # apply the new position self.showbase.camera.set_pos(self.showbase.camera.get_pos() + self.velocity) # transform rotation (keyboard keys) rotation_speed = self.keyboard_hpr_speed * 100.0 rotation_speed *= delta self.showbase.camera.set_hpr( self.showbase.camera.get_hpr() + Vec3( self.hpr_movement[0], self.hpr_movement[1], 0) * rotation_speed) # fade out velocity self.velocity = self.velocity * max( 0.0, 1.0 - delta * 60.0 / max(0.01, self.smoothness)) # bobbing ftime = self.clock_obj.get_frame_time() rotation = (ftime % self.bobbing_speed) / self.bobbing_speed rotation = (min(rotation, 1.0 - rotation) * 2.0 - 0.5) * 2.0 if self.velocity.length_squared() > 1e-5 and self.speed > 1e-5: rotation *= self.bobbing_amount rotation *= min(1, self.velocity.length()) / self.speed * 0.5 else: rotation = 0 self.showbase.camera.set_r(rotation) return task.cont def play_motion_path(self, points, point_duration=1.2): """ Plays a motion path from the given set of points """ fitter = CurveFitter() for i, (pos, hpr) in enumerate(points): fitter.add_xyz_hpr(i, pos, hpr) fitter.compute_tangents(1.0) curve = fitter.make_hermite() print("Starting motion path with", len(points), "CVs") self.showbase.render2d.hide() self.showbase.aspect2d.hide() self.curve = curve self.curve_time_start = self.clock_obj.get_frame_time() self.curve_time_end = self.clock_obj.get_frame_time() + len(points) * point_duration self.delta_time_sum = 0.0 self.delta_time_count = 0 self.showbase.addTask(self.camera_motion_update, "RP_CameraMotionPath", sort=-50) self.showbase.taskMgr.remove(self.update_task) def camera_motion_update(self, task): if self.clock_obj.get_frame_time() > self.curve_time_end: print("Camera motion path finished") # Print performance stats avg_ms = self.delta_time_sum / self.delta_time_count print("Average frame time (ms): {:4.1f}".format(avg_ms * 1000.0)) print("Average frame rate: {:4.1f}".format(1.0 / avg_ms)) self.update_task = self.showbase.addTask( self.update, "RP_UpdateMovementController", sort=-50) self.showbase.render2d.show() self.showbase.aspect2d.show() return task.done lerp = (self.clock_obj.get_frame_time() - self.curve_time_start) /\ (self.curve_time_end - self.curve_time_start) lerp *= self.curve.get_max_t() pos, hpr = Point3(0), Vec3(0) self.curve.evaluate_xyz(lerp, pos) self.curve.evaluate_hpr(lerp, hpr) self.showbase.camera.set_pos(pos) self.showbase.camera.set_hpr(hpr) self.delta_time_sum += self.clock_obj.get_dt() self.delta_time_count += 1 return task.cont