def get_item_at_pos (self, position):
"""L.get_item_at_pos (...) -> ListItem
Gets the item at the passed position coordinates.
"""
eventarea = self.rect_to_client ()
if not eventarea.collidepoint (position):
return None
position = position[0] - eventarea.left, position[1] - eventarea.top
border = base.GlobalStyle.get_border_size \
(self.__class__, self.style,
StyleInformation.get ("ACTIVE_BORDER")) * 2
posy = self.vadjustment
items = self.scrolledlist.items
width = eventarea.width
bottom = eventarea.bottom
images = self.images
spacing = self.scrolledlist.spacing
for item in items:
rect = Rect (images [item][1])
rect.y = posy
rect.width = width + border
if rect.bottom > bottom:
rect.height = bottom - rect.bottom + border
if rect.collidepoint (position):
return item
posy += images[item][1].height + spacing + border
return None
def calculateIntersectPoint(p1, p2, p3, p4):
p = getIntersectPoint(p1, p2, p3, p4)
if p is not None:
width = p2[0] - p1[0]
height = p2[1] - p1[1]
r1 = Rect(p1, (width, height))
r1.normalize()
width = p4[0] - p3[0]
height = p4[1] - p3[1]
r2 = Rect(p3, (width, height))
r2.normalize()
tolerance = 1
if r1.width < tolerance:
r1.width = tolerance
if r1.height < tolerance:
r1.height = tolerance
if r2.width < tolerance:
r2.width = tolerance
if r2.height < tolerance:
r2.height = tolerance
for point in p:
try:
res1 = r1.collidepoint(point)
res2 = r2.collidepoint(point)
if res1 and res2:
point = [int(pp) for pp in point]
return point
except:
str = "point was invalid ", point
print(str)
return None
else:
return None
def calculateIntersectPoint(p1, p2, p3, p4): p = getIntersectPoint(p1, p2, p3, p4) #print p if p is not None: width = p2[0] - p1[0] height = p2[1] - p1[1] r1 = Rect(p1, (width , height)) r1.normalize() width = p4[0] - p3[0] height = p4[1] - p3[1] r2 = Rect(p3, (width, height)) r2.normalize() # Ensure both rects have a width and height of at least 'tolerance' else the # collidepoint check of the Rect class will fail as it doesn't include the bottom # and right hand side 'pixels' of the rectangle tolerance = 1 if r1.width < tolerance: r1.width = tolerance if r1.height < tolerance: r1.height = tolerance if r2.width < tolerance: r2.width = tolerance if r2.height < tolerance: r2.height = tolerance for point in p: try: res1 = r1.collidepoint(point) res2 = r2.collidepoint(point) if res1 and res2: point = [int(pp) for pp in point] return point except: # sometimes the value in a point are too large for PyGame's Rect class #str = "point was invalid ", point #print str pass # This is the case where the infinately long lines crossed but # the line segments didn't return None else: return None
def __draw_bar(self, camera, arg_rect, fraction, col_back, col_0, col_1):
""" Draw a progress bar """
# The background
self.__renderer.add_job_rect(arg_rect,
colour=col_back,
coords=Renderer.COORDS_SCREEN,
level=Renderer.LEVEL_FORE,
brightness=0.2)
# The empty portion.
rect = Rect(arg_rect)
rect.inflate_ip(-4, -4)
self.__renderer.add_job_rect(rect,
colour=col_0,
coords=Renderer.COORDS_SCREEN,
level=Renderer.LEVEL_FORE,
brightness=0.2)
# The full portion.
rect.width = int(fraction * rect.width)
self.__renderer.add_job_rect(rect,
colour=col_1,
coords=Renderer.COORDS_SCREEN,
level=Renderer.LEVEL_FORE,
brightness=0.2)
def get_item_at_pos(self, position):
"""L.get_item_at_pos (...) -> ListItem
Gets the item at the passed position coordinates.
"""
eventarea = self.rect_to_client()
if not eventarea.collidepoint(position):
return None
position = position[0] - eventarea.left, position[1] - eventarea.top
border = base.GlobalStyle.get_border_size \
(self.__class__, self.style,
StyleInformation.get ("ACTIVE_BORDER")) * 2
posy = self.vadjustment
items = self.scrolledlist.items
width = eventarea.width
bottom = eventarea.bottom
images = self.images
spacing = self.scrolledlist.spacing
for item in items:
rect = Rect(images[item][1])
rect.y = posy
rect.width = width + border
if rect.bottom > bottom:
rect.height = bottom - rect.bottom + border
if rect.collidepoint(position):
return item
posy += images[item][1].height + spacing + border
return None
def create_platforms_rect(self, tiles, layer): """ Create a collision rect for each non-empty tile segment, that is, one or more tiles together """ if len(tiles) < 1: return False x, y = tiles.pop(0) width = self.map.content['tilewidth'] height = self.map.content['tileheight'] rect = Rect((0, 0, 0, 0)) rect.left = x * width rect.top = y * height rect.width = width rect.height = height # self.platforms.append(Platform(rect, layer)) n_tiles_x, n_tiles_y = 0, 0 # exclude the tiles we're about to create a platform for excluded_tiles = [] for (n_x, n_y) in tiles: if abs(n_x - x) == n_tiles_x and n_y == y: rect.width += width n_tiles_x += 1 excluded_tiles.append((n_x, n_y)) if abs(n_y - y) == n_tiles_y and n_x == x: rect.height += height n_tiles_y += 1 excluded_tiles.append((n_x, n_y)) self.platforms.append(Platform(rect, layer)) self.create_platforms_rect([t for t in tiles if not t in excluded_tiles], layer)
def draw_sprite(self, sprite, ratio=None):
if ratio is None:
ratio = self.ratio
# calculate the size of the shadow
w = sprite.rect.width * ratio + 1
h = w/2
rect = Rect(0,0,w,h)
# shrink the shadow according to height
if hasattr(sprite, "height"):
height0 = sprite.__class__.height
ratio = (height0 - sprite.height) / float(height0)
rect.width = max(8, rect.width * ratio)
rect.height = max(4, rect.height * ratio)
# move the the midbottom of the sprite
rect.center = sprite.rect.midbottom
rect.x -= 1
rect.y -= 3
# if the sprite has a height property, use it to move the shadow
if hasattr(sprite, "height"):
rect.y += sprite.height
# draw to the layer
pygame.draw.ellipse(self._layer, self.color, rect)
def test_width( self ):
"Changing the width resizes the rect from the top-left corner"
r = Rect( 1, 2, 3, 4 )
new_width = 10
old_topleft = r.topleft
old_height = r.height
r.width = new_width
self.assertEqual( new_width, r.width )
self.assertEqual( old_height, r.height )
self.assertEqual( old_topleft, r.topleft )
def test_width(self):
"Changing the width resizes the rect from the top-left corner"
r = Rect(1, 2, 3, 4)
new_width = 10
old_topleft = r.topleft
old_height = r.height
r.width = new_width
self.assertEqual(new_width, r.width)
self.assertEqual(old_height, r.height)
self.assertEqual(old_topleft, r.topleft)
def makeRooms(self):
numRooms = random.randint(NUMROOMSMIN, NUMROOMSMAX)
for roomID in range(numRooms):
attempts = 0
room = Rect(0,0,0,0)
room.width = random.randint(ROOMMIN, ROOMMAX)
room.height = random.randint(ROOMMIN, ROOMMAX)
posFound = False
while not posFound:
if attempts == MAXROOMALLOCATTEMPTS:
#print("Could not resolve room placement for room %i, bailing" % (roomID+1))
break
room.x = random.randint(2, WORLDSIZE[0] - 1)
room.y = random.randint(5, WORLDSIZE[1] - 1)
if (room.x + room.width) >= (WORLDSIZE[0] - 1) or (room.y + room.height) >= (WORLDSIZE[1] - 4):
attempts += 1
continue
posFound = True
for r,w in self.roomInfo:
if r.inflate(2*ROOMSPACING, 2*ROOMSPACING).colliderect(room):
posFound = False
attempts += 1
break
if not posFound:
continue
#Place waypoint
wpX = random.randint(room.x + 1 + int(CORTHICKNESS / 2), room.x + room.width - 1 - int(CORTHICKNESS / 2))
wpY = random.randint(room.y + 1 + int(CORTHICKNESS / 2), room.y + room.height - 1 - int(CORTHICKNESS / 2) )
self.roomInfo.append( (room, (wpX, wpY)) )
for x in range(room.x, room.x + room.width):
for y in range(room.y, room.y + room.height):
self.mapGrid[x][y] = "#"
#Sort rooms in order of Y coordinates
self.roomInfo.sort(key=lambda r: r[0].y)
def _DrawTextLines(self, lines):
linepadding =1
textlines = []
totalrect = Rect(0,0,0,0)
for line in lines:
text = self.font.render(line, 1, (255,255,255))
rect = text.get_rect()
totalrect.inflate_ip(0, rect.height + linepadding)
if rect.width > totalrect.width:
totalrect.width = rect.width
textlines.append(text)
textsurf = Surface(totalrect.size, pygame.SRCALPHA)
topoffset = 0
for linesurf in textlines:
textsurf.blit(linesurf,(0,topoffset))
topoffset += linesurf.get_rect().height
return textsurf
def _DrawTextLines(self, lines):
linepadding = 1
textlines = []
totalrect = Rect(0, 0, 0, 0)
for line in lines:
text = self.font.render(line, 1, (255, 255, 255))
rect = text.get_rect()
totalrect.inflate_ip(0, rect.height + linepadding)
if rect.width > totalrect.width:
totalrect.width = rect.width
textlines.append(text)
textsurf = Surface(totalrect.size, pygame.SRCALPHA)
topoffset = 0
for linesurf in textlines:
textsurf.blit(linesurf, (0, topoffset))
topoffset += linesurf.get_rect().height
return textsurf
def rounded_rect(surface: Surface, rect: Rect, colour: Colour,
corner_radius: int):
''' Draw a rectangle with rounded corners.
Would prefer this:
pygame.draw.rect(surface, colour, rect, border_radius=corner_radius)
but this option is not yet supported in my version of pygame so do it ourselves.
We use anti-aliased circles to make the corners smoother
'''
if rect.width < 2 * corner_radius or rect.height < 2 * corner_radius:
raise ValueError(
f"Both height (rect.height) and width (rect.width) must be > 2 * corner radius ({corner_radius})"
)
corner_radius = int(corner_radius)
# need to use anti aliasing circle drawing routines to smooth the corners
circle(surface, rect.left + corner_radius, rect.top + corner_radius,
corner_radius, colour)
circle(surface, rect.right - corner_radius - 1, rect.top + corner_radius,
corner_radius, colour)
circle(surface, rect.left + corner_radius, rect.bottom - corner_radius - 1,
corner_radius, colour)
circle(surface, rect.right - corner_radius - 1,
rect.bottom - corner_radius - 1, corner_radius, colour)
rect_tmp = Rect(rect)
rect_tmp.width -= 2 * corner_radius
rect_tmp.center = rect.center
draw_rect(surface, colour, rect_tmp)
rect_tmp.width = rect.width
rect_tmp.height -= 2 * corner_radius
rect_tmp.center = rect.center
draw_rect(surface, colour, rect_tmp)
def calculateIntersectPoint(p1, p2, p3, p4):
p = getIntersectPoint(p1, p2, p3, p4)
if p is not None:
width = p2[0] - p1[0]
height = p2[1] - p1[1]
r1 = Rect(p1, (width , height))
r1.normalize()
width = p4[0] - p3[0]
height = p4[1] - p3[1]
r2 = Rect(p3, (width, height))
r2.normalize()
# Ensure both rects have a width and height of at least 'tolerance' else the
# collidepoint check of the Rect class will fail as it doesn't include the bottom
# and right hand side 'pixels' of the rectangle
tolerance = 1
if r1.width < tolerance:
r1.width = tolerance
if r1.height < tolerance:
r1.height = tolerance
width = p2[0] - p1[0]
height = p2[1] - p1[1]
r1 = Rect(p1, (width , height))
r1.normalize()
width = p4[0] - p3[0]
height = p4[1] - p3[1]
r2 = Rect(p3, (width, height))
r2.normalize()
# Ensure both rects have a width and height of at least 'tolerance' else the
# collidepoint check of the Rect class will fail as it doesn't include the bottom
# and right hand side 'pixels' of the rectangle
tolerance = 1
if r1.width < tolerance:
r1.width = tolerance
if r1.height < tolerance:
r1.height = tolerance
if r2.width < tolerance:
r2.width = tolerance
if r2.height < tolerance:
r2.height = tolerance
for point in p:
try:
res1 = r1.collidepoint(point)
res2 = r2.collidepoint(point)
if res1 and res2:
def intersection_pt(p1, p2, p3, p4): p = getIntersectPoint(p1, p2, p3, p4) if p is not None: width = p2[0] - p1[0] height = p2[1] - p1[1] r1 = Rect(p1, (width , height)) r1.normalize() width = p4[0] - p3[0] height = p4[1] - p3[1] r2 = Rect(p3, (width, height)) r2.normalize() # Ensure both rects have a width and height of at least 'tolerance' else the # collidepoint check of the Rect class will fail as it doesn't include the bottom # and right hand side 'pixels' of the rectangle tolerance = 1 if r1.width <tolerance: r1.width = tolerance if r1.height <tolerance: r1.height = tolerance if r2.width <tolerance: r2.width = tolerance if r2.height <tolerance: r2.height = tolerance for point in p: try: res1 = r1.collidepoint(point) res2 = r2.collidepoint(point) if res1 and res2: point = [int(pp) for pp in point] return point except: # sometimes the value in a point are too large for PyGame's Rect class str = "point was invalid ", point print str # This is the case where the infinately long lines crossed but # the line segments didn't return None else: return None # # Test script below... # if __name__ == "__main__": # # line 1 and 2 cross, 1 and 3 don't but would if extended, 2 and 3 are parallel # # line 5 is horizontal, line 4 is vertical # p1 = (1,5) # p2 = (4,7) # p3 = (4,5) # p4 = (3,7) # p5 = (4,1) # p6 = (3,3) # p7 = (3,1) # p8 = (3,10) # p9 = (0,6) # p10 = (5,6) # p11 = (472.0, 116.0) # p12 = (542.0, 116.0) # assert None != calculateIntersectPoint(p1, p2, p3, p4), "line 1 line 2 should intersect" # assert None != calculateIntersectPoint(p3, p4, p1, p2), "line 2 line 1 should intersect" # assert None == calculateIntersectPoint(p1, p2, p5, p6), "line 1 line 3 shouldn't intersect" # assert None == calculateIntersectPoint(p3, p4, p5, p6), "line 2 line 3 shouldn't intersect" # assert None != calculateIntersectPoint(p1, p2, p7, p8), "line 1 line 4 should intersect" # assert None != calculateIntersectPoint(p7, p8, p1, p2), "line 4 line 1 should intersect" # assert None != calculateIntersectPoint(p1, p2, p9, p10), "line 1 line 5 should intersect" # assert None != calculateIntersectPoint(p9, p10, p1, p2), "line 5 line 1 should intersect" # assert None != calculateIntersectPoint(p7, p8, p9, p10), "line 4 line 5 should intersect" # assert None != calculateIntersectPoint(p9, p10, p7, p8), "line 5 line 4 should intersect" # print "\nSUCCESS! All asserts passed for doLinesIntersect"
def calculateIntersectPoint(p1, p2, p3, p4):
p = getIntersectPoint(p1, p2, p3, p4)
if p is not None:
width = p2[0] - p1[0]
height = p2[1] - p1[1]
r1 = Rect(p1, (width, height))
r1.normalize()
width = p4[0] - p3[0]
height = p4[1] - p3[1]
r2 = Rect(p3, (width, height))
r2.normalize()
# Ensure both rects have a width and height of at least 'tolerance' else the
# collidepoint check of the Rect class will fail as it doesn't include the bottom
# and right hand side 'pixels' of the rectangle
tolerance = 1
if r1.width < tolerance:
r1.width = tolerance
if r1.height < tolerance:
r1.height = tolerance
if r2.width < tolerance:
r2.width = tolerance
if r2.height < tolerance:
r2.height = tolerance
for point in p:
try:
res1 = r1.collidepoint(point)
res2 = r2.collidepoint(point)
if res1 and res2:
point = [int(pp) for pp in point]
return point
except:
# sometimes the value in a point are too large for PyGame's Rect class
str = "point was invalid ", point
print(str)
# This is the case where the infinately long lines crossed but
# the line segments didn't
return None
else:
return None
