Create polygon_ice

src/polygon_ice

@@ -0,0 +1,57 @@
+
+import pymunk as pm
+from pymunk import Vec2d
+import pygame
+import math
+
+class Polygon_ice():
+    def __init__(self, pos, length, height, space, mass=5.0):
+        moment = 1000
+        body = pm.Body(mass, moment)
+        body.position = Vec2d(pos)
+        shape = pm.Poly.create_box(body, (length, height))
+        shape.color = (0, 0, 255)
+        shape.friction = 0.5
+        shape.collision_type = 11
+        space.add(body, shape)
+        self.body = body
+        self.shape = shape
+        ice = pygame.image.load("../resources/images/ice.png").convert_alpha()
+        ice2 = pygame.image.load("../resources/images/ice2.png").convert_alpha()
+        rect = pygame.Rect(251, 357, 86, 22)
+        self.beam_image = ice.subsurface(rect).copy()
+        rect = pygame.Rect(16, 252, 22, 84)
+        self.column_image = ice2.subsurface(rect).copy()
+    def to_pygame(self, p):
+        """Convert pymunk to pygame coor dinates"""
+        return int(p.x), int(-p.y+600)
+
+    def draw_poly(self, element, screen):
+        """Draw beams and columns"""
+        poly = self.shape
+        ps = poly.get_vertices()
+        ps.append(ps[0])
+        ps = map(self.to_pygame, ps)
+        ps = list(ps)
+        color = (255, 0, 0)
+        pygame.draw.lines(screen, color, False, ps)
+        if element == 'beams':
+            p = poly.body.position
+            p = Vec2d(self.to_pygame(p))
+            angle_degrees = math.degrees(poly.body.angle) + 180
+            rotated_logo_img = pygame.transform.rotate(self.beam_image,
+                                                       angle_degrees)
+            offset = Vec2d(rotated_logo_img.get_size()) / 2.
+            p = p - offset
+            np = p
+            screen.blit(rotated_logo_img, (np.x, np.y))
+        if element == 'columns':
+            p = poly.body.position
+            p = Vec2d(self.to_pygame(p))
+            angle_degrees = math.degrees(poly.body.angle) + 180
+            rotated_logo_img = pygame.transform.rotate(self.column_image,
+                                                       angle_degrees)
+            offset = Vec2d(rotated_logo_img.get_size()) / 2.
+            p = p - offset
+            np = p
+            screen.blit(rotated_logo_img, (np.x, np.y))