WallyHackenslacker/Super-HUGS-Revolution-98
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Added the OmnidirectionalActor class.

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Wally Hackenslacker
2013-01-21 18:02:02 -04:30
parent 7507d2457f
commit 25f27ed5e9
3 changed files with 134 additions and 16 deletions
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75
actor.py
View File

@@ -208,7 +208,7 @@ class BulletActor(BaseActor):
self.now = pygame.time.get_ticks()
delta_t = self.now - self.then
if delta_t < 0:
delta_t = 0 # Compensatefor overflow of self.now
delta_t = 0 # Compensate for overflow of self.now
if game.DEBUG:
print
@@ -226,6 +226,75 @@ class BulletActor(BaseActor):
if game.DEBUG:
print "NEW POSITION: " + str(self.position)
# TODO: Update animation frame if any.
self.then = self.now
class OmnidirectionalActor(BaseActor):
def __init__(self, id, image, name = "Default", animated = False, visible = True, solid = True, frame_rate = 60.0):
BaseActor.__init__(self, id, image, name, animated, visible, solid)
self.angle = 0.0
self.then = pygame.time.get_ticks()
self.frame_rate = frame_rate
self.moving = False
self.friction = 0.90
self.constraint_min_x = 0
self.constraint_min_y = 0
self.constraint_max_x = 1024
self.constraint_max_y = 768
def is_moving(self):
return self.moving
def move(self):
self.moving = True
def stop(self):
self.moving = False
def get_angle(self):
return self.angle
def set_angle(self, angle):
self.angle = float(angle)
def set_constraints(self, constraints):
self.constraint_min_x = constraints[0]
self.constraint_min_y = constraints[2]
self.constraint_max_x = constraints[1]
self.constraint_max_y = constraints[3]
def reset_then(self):
self.then = pygame.time.get_ticks()
def update(self):
now = pygame.time.get_ticks()
delta_t = now - self.then
if delta_t < 0:
delta_t = 0 # Compensate for overflow of now
if self.moving:
direction = math_utils.angle_to_vector(self.angle)
self.velocity[0] += direction[0] * 0.9
self.velocity[1] += direction[1] * 0.9
self.position[0] += (self.velocity[0] * delta_t) * (self.frame_rate / 1000)
self.position[1] += (self.velocity[1] * delta_t) * (self.frame_rate / 1000)
if self.position[0] < self.constraint_min_x:
self.position[0] = self.constraint_min_x
if self.position[0] > self.constraint_max_x:
self.position[0] = self.constraint_max_x
if self.position[1] < self.constraint_min_y:
self.position[1] = self.constraint_min_y
if self.position[1] > self.constraint_max_y:
self.position[1] = self.constraint_max_y
self.velocity[0] *= self.friction
self.velocity[1] *= self.friction
self.rect.center = (self.position[0], self.position[1])
self.then = now

52
ingame.py
View File

@@ -9,6 +9,7 @@ try:
except ImportError:
android = None
import math_utils
import player
import background
import imloader
@@ -21,7 +22,7 @@ class InGameState(BaseState):
self.background_color = (125, 158, 192)
self.next_transition = VALID_STATES['STAY']
self.next_transition = VALID_STATES['SCORE']
self.cursor_x = 0
self.cursor_y = 0
self.user_click = False
@@ -30,15 +31,22 @@ class InGameState(BaseState):
self.bckg_y = 0
play_img = imloader.cached_image_loader.get_image_to_screen_percent('gfx/Player/player_idle_front.png')
self.player = actor.BaseActor(0, play_img, "Player", False)
self.player = actor.OmnidirectionalActor(0, play_img, "Player", False)
self.player.set_angle(90)
self.player.set_velocity([0, 0])
# Create a surface for the background.
bg_w = int(float(pygame.display.Info().current_w * 1280) / 1024.0)
bg_h = int(float(pygame.display.Info().current_h * 1024) / 768.0)
self.background = pygame.Surface((bg_w, bg_h))
self.game_area = pygame.Surface((bg_w, bg_h))
# Center the player.
self.player.set_position([bg_w // 2, bg_h // 2])
constraints = [int((95.0 * float(pygame.display.Info().current_w)) / 1024.0),
bg_w - int((95.0 * float(pygame.display.Info().current_w)) / 1024.0),
int((155.0 * float(pygame.display.Info().current_h)) / 768.0),
bg_h - int((155.0 * float(pygame.display.Info().current_h)) / 768.0)]
# Create the floor.
floor = background.TiledBackground(bg_w, bg_h, 'gfx/piso.png')
@@ -70,10 +78,17 @@ class InGameState(BaseState):
# Center the view on the player
p_pos = self.player.get_position()
(dist_x, dist_y) = (math.fabs(self.screen_center[0] - p_pos[0]), math.fabs(self.screen_center[0] - p_pos[0]))
(dist_x, dist_y) = (math.fabs(self.screen_center[0] - p_pos[0]), math.fabs(self.screen_center[1] - p_pos[1]))
self.bckg_x -= dist_x
self.bckg_y -= dist_y
self.player.set_constraints(constraints)
self.cursor_x = self.screen_center[0]
self.cursor_y = self.screen_center[1]
self.vec_1 = (float(pygame.display.Info().current_w) - float(self.screen_center[0]), 0.0)
self.vec_1 = math_utils.normalize_vector_2D(self.vec_1)
def input(self):
for event in pygame.event.get():
if android:
@@ -87,22 +102,36 @@ class InGameState(BaseState):
if event.type == pygame.QUIT:
self.next_transition = VALID_STATES['QUIT']
# Catch the position of a mouse click (or tap).
if event.type == pygame.MOUSEBUTTONDOWN:
(self.cursor_x, self.cursor_y) = event.pos
self.user_click = True
self.player.move()
if event.type == pygame.MOUSEBUTTONUP:
self.user_click = False
self.player.stop()
if self.user_click:
(self.cursor_x, self.cursor_y) = pygame.mouse.get_pos()
def update(self):
if self.next_transition != VALID_STATES['QUIT']:
if self.next_transition != VALID_STATES['STAY']:
self.next_transition = VALID_STATES['STAY']
self.player.reset_then()
if self.cursor_x != self.screen_center[0] or self.cursor_y != self.screen_center[1]:
vec_2 = (float(self.cursor_x) - float(self.screen_center[0]), float(self.cursor_y) - float(self.screen_center[1]))
vec_2 = math_utils.normalize_vector_2D(vec_2)
self.player.set_angle(math_utils.angle_vectors_2D(self.vec_1, vec_2))
self.player.update()
# Reset the view.
self.bckg_x = 0
self.bckg_y = 0
# Get the manhattan distance between the screen center and the player.
p_pos = self.player.get_position()
(dist_x, dist_y) = (math.fabs(self.screen_center[0] - p_pos[0]), math.fabs(self.screen_center[0] - p_pos[0]))
(dist_x, dist_y) = (math.fabs(self.screen_center[0] - p_pos[0]), math.fabs(self.screen_center[1] - p_pos[1]))
# Center the view on the player.
self.bckg_x -= dist_x
self.bckg_y -= dist_y
@@ -117,16 +146,15 @@ class InGameState(BaseState):
if self.bckg_x + self.background.get_width() < pygame.display.Info().current_w:
self.bckg_x += pygame.display.Info().current_w - (self.bckg_x + self.background.get_width())
#if self.user_click:
# self.next_transition = VALID_STATES['SCORE']
# self.user_click = False
self.cursor_x = self.screen_center[0]
self.cursor_y = self.screen_center[1]
return self.next_transition
def render(self, canvas):
canvas.fill(self.background_color)
self.game_area.blit(self.background, (0, 0))
# Blit everything to the bacground.
self.player.draw(self.background)
self.player.draw(self.game_area)
canvas.blit(self.background, (self.bckg_x, self.bckg_y))
canvas.blit(self.game_area, (self.bckg_x, self.bckg_y))

21
math_utils.py
View File

@@ -3,5 +3,26 @@
###########################################
import math
PI = 3.14159
def angle_to_vector(angle):
return [math.cos(angle), math.sin(angle)]
def normalize_vector_2D(vec):
norm = norm2_2D(vec)
return (vec[0] / norm, vec[1] / norm)
def dot_product_2D(vec1, vec2):
return (vec1[0] * vec2[0]) + (vec1[1] * vec2[1])
def norm2_2D(vec):
return math.sqrt(dot_product_2D(vec, vec))
def angle_vectors_2D(vec1, vec2):
return math.atan2(vec2[1], vec2[0]) - math.atan2(vec1[1], vec1[0])
def ang_2_radians(ang):
return ang * (180 / PI)
def radians_2_ang(rad):
return rad * (PI / 180)