def getDirection(self, mesh):
if (len(self.V) >= 3):
#smerove vektory roviny face
v = self.V[1].Position.newVector(self.V[0].Position)
u = self.V[2].Position.newVector(self.V[0].Position)
#normalovy vektor k rovine face
n = Vector(u.y*v.z - v.y*u.z,
u.z*v.x - v.z*u.x,
u.x*v.y - v.x*u.y)
#vektor od bodu teziste do stredu meshe
a = mesh.Position.newVector(self.center)
if (n.angle(a) <= math.pi/2):
n = n.reverseVector()
return n
else:
return Vector(0,0,0)
class Camera:
def __init__(self, position, w, h):
self.x = w #poloha na obrazovce
self.y = h #poloha na obrazovce
self.Position = position
self.speed = 0.1
self.viewAngle = math.pi
self.maxView = 1000
self.far = 1
self.f = Vector(0, 0, self.far)
self.u = Vector(0, self.far, 0)
self.r = Vector(self.far, 0, 0)
self.S = self.Position #predek
self.rotX = math.pi
self.rotY = 0
def update(self):
self.input()
self.S = self.Position.addVector(self.f)
self.B = self.Position.addVector(self.f.reverseVector())
#self.Position.speak("kamera: ")
def input(self):
self.rotate(pygame.mouse.get_pressed())
self.keys(pygame.key.get_pressed())
self.setView(pygame.key.get_pressed())
def keys(self, keys):
if (keys[K_w]): #dopredu
self.Position = self.Position.addVector(
self.f.multipleVector(self.speed))
elif (keys[K_s]): #dozadu
self.Position = self.Position.addVector(
self.f.multipleVector(self.speed).reverseVector())
if (keys[K_d]): #doprava
self.Position = self.Position.addVector(
self.r.multipleVector(self.speed).reverseVector())
elif (keys[K_a]): #doleva
self.Position = self.Position.addVector(
self.r.multipleVector(self.speed))
if (keys[K_SPACE]): #nahoru
self.Position = self.Position.addVector(
self.u.multipleVector(self.speed))
elif (keys[K_LSHIFT]): #dolu
self.Position = self.Position.addVector(
self.u.multipleVector(self.speed).reverseVector())
if (keys[K_q]): #snizeni rychlosti
if (self.speed - 0.01 > 0):
self.speed -= 0.01
print("speed: " + str(self.speed))
elif (keys[K_e]): #zvyseni rychlosti
self.speed += 0.01
print("speed: " + str(self.speed))
elif (keys[K_r]): #reset rychlosti
self.speed = 0.1
print("speed: " + str(self.speed))
if (keys[K_g]): #reset kamery
self.Position = Vector(0, 0, 0)
self.f = Vector(0, 0, self.far)
self.u = Vector(0, self.far, 0)
self.r = Vector(self.far, 0, 0)
self.rotX = 0
self.rotY = 0
def rotate(self, event):
if (len(event) == 0):
pygame.mouse.set_visible(True)
xy = pygame.mouse.get_rel()
x = 0
y = 0
if (event[0]): #leve tlacitko
self.x = self.x
elif (event[2]): #prave tlacitko
#pygame.mouse.set_visible(False)
x = xy[0] / 2
y = xy[1] / 2
self.rotX -= x * (math.pi / 180) / 2
self.rotY -= y * (math.pi / 180) / 2
x = math.sin(self.rotX)
y = math.sin(self.rotY)
z = math.cos(self.rotX)
self.f = Vector(x, y, z)
x = math.sin(self.rotX + math.pi / 2)
z = math.cos(self.rotX + math.pi / 2)
self.r = Vector(x, 0, z)
self.u = Vector(self.f.y * self.r.z - self.r.y * self.f.z,
self.f.z * self.r.x - self.r.z * self.f.x,
self.f.x * self.r.y - self.r.x * self.f.y)
def setView(self, keys):
if (keys[K_2] or keys[K_KP2]): #zepredu
self.Position = Vector(6, 5, -17)
self.rotX = 0
self.rotY = 0
if (keys[K_6] or keys[K_KP6]): #zprava
self.Position = Vector(29, 5, 6)
self.rotX = 3 * math.pi / 2
self.rotY = 0
if (keys[K_8] or keys[K_KP8]): #zezadu
self.Position = Vector(6, 5, 29)
self.rotX = math.pi
self.rotY = 0
if (keys[K_4] or keys[K_KP4]): #zleva
self.Position = Vector(-17, 5, 6)
self.rotX = math.pi / 2
self.rotY = 0
