Document windows 7 permissions workaround

[tabakrolletjie.git] / tabakrolletjie / obstacles.py

diff --git a/tabakrolletjie/obstacles.py b/tabakrolletjie/obstacles.py
index bae1c1dac23c0d7da1f6710d81c856a0c1b30c30..071ca9f935c1d4cd87fec3de82e13bf6ca0f82e9 100644 (file)
--- a/tabakrolletjie/obstacles.py
+++ b/tabakrolletjie/obstacles.py
@@ -6,6 +6,7 @@ import pymunk
 import pymunk.pygame_util
 import pygame.draw
 import pygame.surface
+from pygame.math import Vector2
 
 from .constants import (SCREEN_SIZE, OBSTACLE_CATEGORY)
 from .loader import loader
@@ -79,3 +80,38 @@ class Wall(BaseObstacle):
 
     def render(self, surface):
         surface.blit(self.get_image(), (0, 0), None, 0)
+
+
+class Shrub(BaseObstacle):
+
+    def __init__(self, shrublets):
+        super(Shrub, self).__init__()
+        for (x, y, r) in shrublets:
+            vec = Vector2(0, int(r))
+            STEPS = 18
+            vertices = [
+                vec.rotate(angle) + (x, y)
+                for angle in range(0, 360, 360/STEPS)]
+            vertices = [(v.x, v.y) for v in vertices]
+
+            self.shapes.append(pymunk.Poly(self.body, vertices))
+        self.shrublets = shrublets
+        self._image = None
+
+    def get_image(self):
+        if self._image is None:
+            self._image = pygame.surface.Surface(SCREEN_SIZE).convert_alpha()
+            self._image.fill((0, 0, 0, 0))
+
+            for (x, y, r) in self.shrublets:
+                centre = pymunk.pygame_util.to_pygame((x, y), self._image)
+                pygame.draw.circle(self._image, (255, 255, 255), centre, r)
+
+            shrub_texture = loader.load_image(
+                "textures", "shrub.png").convert_alpha()
+            self._image.blit(shrub_texture, (0, 0), None, pgl.BLEND_RGBA_MULT)
+
+        return self._image
+
+    def render(self, surface):
+        surface.blit(self.get_image(), (0, 0), None, 0)