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player.py
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player.py
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from panda3d.core import VBase3, Mat3
from pandac.PandaModules import OdeBody, OdeMass, OdeUtil
from pandac.PandaModules import OdeTriMeshData, OdeTriMeshGeom
import math
from accelerator import Accelerator
class Player:
def __init__(self, level):
self._init_model()
self._init_controls()
self.level = level
def _init_model(self):
self.model = loader.loadModel("models/gyro")
self.model.reparentTo(render)
self.model.setPos(0, 0, 2)
self.model.setHpr(0, 0, 0)
self.model.setColor(0.1, 0.7, 0.7, 1)
self.model.setTexture(loader.loadTexture('textures/texture.png'))
def _init_controls(self):
self.controls = Controls()
def enable_physics(self, physics):
self.body = OdeBody(physics.world)
self.initial_position = self.model.getPos(render)
self.initial_quaternion = self.model.getQuat(render)
self.initial_spin_velocity = 50
self.reset()
mass = OdeMass()
mass.setCylinder(10, 2, 1.2, 0.2)
self.body.setMass(mass)
modelTrimesh = OdeTriMeshData(loader.loadModel("models/gyro-low"), True)
self.geom = OdeTriMeshGeom(physics.space, modelTrimesh)
self.geom.setBody(self.body)
physics.bodymodels[self.body] = self.model
physics.actions.append(self._player_controls)
self.exponent = 1000 * physics.step_size
def _player_controls(self):
avel = self.body.getAngularVel()
on_plate = False
accelerate = False
for level_object in self.level.objects:
collide = OdeUtil.collide(level_object.geom, self.geom)
if collide:
on_plate = True
if avel.z < self.initial_spin_velocity and \
isinstance(level_object, Accelerator):
accelerate = level_object.player_interact(self)
break
if accelerate:
avel.z += self.exponent / 200.0
self.factor = 0
self.calculate_factor(avel.z)
if self.factor > 0.99:
return
f = self.factor**self.exponent
if on_plate:
if self.controls.jump:
vel = self.body.getLinearVel()
self.body.setLinearVel(vel.x, vel.y, vel.z + 5)
force = 350
else:
force = 25
self.controls.jump = False
self.body.addForce(Mat3.rotateMat(self.controls.view_rotation).xform(
(self.controls.y*force,
-0.8*self.controls.x*force,
0)))
hpr = self.model.getHpr()
self.model.setHpr(hpr.x, f*hpr.y, f*hpr.z)
self.body.setQuaternion(self.model.getQuat(render))
self.body.setAngularVel(f*avel.x,
f*avel.y,
avel.z)
def calculate_factor(self, spin_velocity):
self.factor = max(self.factor, (1/(abs(spin_velocity/500.0)+1)))
self.health = max(0, round((0.99-self.factor)*1000,1))
def reset(self):
self.body.setPosition(self.initial_position)
self.body.setQuaternion(self.initial_quaternion)
self.body.setLinearVel(0, 0, 0)
self.body.setAngularVel(0, 0, self.initial_spin_velocity)
self.factor = 0
self.calculate_factor(self.initial_spin_velocity)
class Controls:
def __init__(self):
base.accept('a', self.go_left)
base.accept('a-up', self.go_right)
base.accept('d', self.go_right)
base.accept('d-up', self.go_left)
base.accept('w', self.go_up)
base.accept('w-up', self.go_down)
base.accept('s', self.go_down)
base.accept('s-up', self.go_up)
self.x, self.y = 0, 0
base.accept('arrow_left', self.view_left)
base.accept('arrow_right', self.view_right)
self.view_rotation = 0
base.accept('space', self.jump)
self.jump = False
def go_left(self):
self.x -= 1
def go_right(self):
self.x += 1
def go_up(self):
self.y += 1
def go_down(self):
self.y -= 1
def view_left(self):
self.view_rotation += 90
def view_right(self):
self.view_rotation -= 90
def jump(self):
self.jump = True