pygame collision between rectangles

When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Collision detection can help determine whether the game character is standing on solid ground or there's nothing but empty air beneath them. This method can be used for collision detection between a rect and a mask | Returns true when the argument is completely inside the Rect. pygame object for storing rectangular coordinates, Rect((left, top), (width, height)) -> Rect, grow or shrink the rectangle size, in place, sets the position and size of the rectangle, update((left, top), (width, height)) -> None, moves the rectangle inside another, in place, clipline(x1, y1, x2, y2) -> ((cx1, cy1), (cx2, cy2)), clipline((x1, y1), (x2, y2)) -> ((cx1, cy1), (cx2, cy2)), clipline((x1, y1, x2, y2)) -> ((cx1, cy1), (cx2, cy2)), clipline(((x1, y1), (x2, y2))) -> ((cx1, cy1), (cx2, cy2)), # If clipped_line is not an empty tuple then the line, # collides/overlaps with the rect. Should the notes be *kept* or *replayed* in this score of Moldau? hashable), so they must be converted to a tuple. The default type of collision in Pygame is using the collide_rect () function, which uses the two sprites' rect attributes to calculate whether they overlap. pygame.Surface.get_rect () creates a pygame.Rect object at position (0, 0), but the top left position can be set by the keyword argument topleft : can be created from a combination of left, top, width, and height values. Syntax: pygame.Rect.colliderect (rect1, rect2) Parameters: It will take two rects as its parameters. Python | Drawing different shapes on PyGame window, Python Programming Foundation -Self Paced Course, Complete Interview Preparation- Self Paced Course, Data Structures & Algorithms- Self Paced Course. For this, we are going to draw two rectangles then we will check if the rectangles are colliding or not. A Rect Returns a new rectangle that is moved by the given offset. So these methods should be How do magic items work when used by an Avatar of a God. It may change. For this, we are going to draw two rectangles then we will check if the rectangles are colliding or not. We and our partners use cookies to Store and/or access information on a device. How can I optimize double for loop in matrix, Chain is loose and rubs the upper part of the chain stay. e.g. import pygame pygame.init () win = pygame.display.set_mode ( (1200, 600)) clock = pygame.time.Clock () # A clock to limit the frame rate. Note, uses integers, if the offset given is How to create Buttons in a game using PyGame? Let's see the part wise implementation: Part 1: Python3 import pygame import random pygame.init () white = (255, 255, 255) red = (255, 0, 0) green = (0, 255, 0) blue = (0, 0, 255) black = (0, 0, 0) width = 650 What is the difference between venv, pyvenv, pyenv, virtualenv, virtualenvwrapper, pipenv, etc? pygame.draw.rect (screen, (255, 200, 0), player.rect) You could replace that with: screen.blit (sprite, player_x_coordinate, player_y_coordinate) You'd naturally need to make sure the player's x and y coordinates are tracked well. pygame collision between rectangles. sprite | What are the differences between type() and isinstance()? It looks at every object in the Group and checks if its .rect intersects with the .rect of the Sprite. Otherwise, it returns False: If no collisions are found, None is returned. To find the collisions, the Sprite s are required to have a Surface.rect attribute assigned. A point along A better way might be to leave them as floats and check that the difference comes within a certain bound, possibly dependent on the player velocity to account for larger jumps between frames. This chapter's example program will cover this basic technique. If an object has multiple attributes of type Rect then key could return one The groups are designed for high efficiency in removing and adding Sprite s to them. How can a retail investor check whether a cryptocurrency exchange is safe to use? calling Rect object. Returns a new rectangle having the same position and size as the original. How do I make my rectangle as "Sprite" or it doesn't matter and it can stay just a normal rectangle that moves? Here we are going to use colliderect () function whose functionality is to return True if a collision occurs between two rectangles else return False. A Rect can be created from a combination of left, top, width, and height values. version. font | When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Returns true if any portion of either rectangle overlap (except the How to create a text input box with Pygame? completely inside the rectangle is returned, if the given line does Please leave collideobjects feedback with authors, Test whether the rectangle collides with any object in the sequence. 1. What's the difference between lists and tuples? DevCodeTutorial. You can use the method pygame.Rect.collidepoint (point) to detect whether a rectangle collides a point in pygame, you can use the method pygame.Rect.colliderect (rectangle) to detect whether a rectangle object collides another rectangle object in pygame. Returns: Returns true if any portion of either rectangle overlap. Methods such as copy() and move() You don't need pygame sprites and sprite groups for the collision detection, you can just use pygame.Rects. event | In our games, collision detection will determine whether two rectangles are overlapping each other. lambda obj: obj.rectangle. If use_values is 0 (default) then the dict's keys will be used in the How to create walking character using multiple images from sprite sheet using Pygame? The area covered by a Rect does not include the right- and bottom-most edge . How To Move, Inflate Rectangle With Keys, Mouse, Or Automatically In Pygame rect1.bottom=rect2.top), the two meet exactly on the screen but do not fastevent | Why is there "n" at end of plural of meter but not of "kilometer". Rect | For collision detection between a rect and a line the clipline() Same as the Rect.inflate() method, but operates in place. pixelcopy | This is the demo video for detecting collision between a rectangle and points and other rectangles in pygame. And second thing is that I am not sure how to create "Sprite". New in pygame 1.9.2: The Rect class can be subclassed. The same as the Rect.unionall() method, but operates in place. examples | programmed to have negative values, but these are considered illegal Rects Returns a list of all the indices that contain rectangles that collide locals | Collision detection can help determine if the game character is standing on solid ground or if there's nothing but empty air underneath them. 1.4 23 Oct, 2022 Pygame Simplifier - 1.6 23 Oct, 2022 Cube Dudes - 1.0 25 Sep, 2022 noiboy - 1 25 Sep, 2022 . the right or bottom edge is not considered to be inside the rectangle. Also remember arctan returns an angle between -pi/2 and pi/2 meaning you need to account for the other side of the unit circle. Rects can also be created from python objects that are already a Rect or have an attribute named "rect". Mobile app infrastructure being decommissioned, How to Make the Ball Bounce only if it Hits the Paddle in Python, Pygame (Breakout Recreation), Ball to Ball Collision - Detection and Handling, Circle-Rectangle collision detection (intersection). Linearity of maximum function in expectation. copy of the Rect with the affected changes. rev2022.11.14.43031. arguments can be any integer value, positive or negative. The size values can be We can easily add collisions in Pygame shapes using the colliderect( ). You can use the method pygame.Rect.collidepoint(point)to detect whether a rectangle collides a point in pygame, you can use the method pygame.Rect.colliderect(rectangle) to detect whether a rectangle object collides another rectangle object in pygame. In this example, it will draw 100 random points and 100 random rectangles in this example, all the points and rectangles are blue color by default. The returned value contains, "No clipping. Connect and share knowledge within a single location that is structured and easy to search. If no collisions are Rects can also be created from python objects that are already a Rect or An example of data being processed may be a unique identifier stored in a cookie. surfarray | Manage Settings Different answer using Dsolve or NDSolve to solve a PDE, Chain is loose and rubs the upper part of the chain stay, Legality of busking a song with copyrighted melody but using different lyrics to deliver a message. e.g. I want a one rectangle to bounce off the other when they collide. However, the subclass's __init__() method is not called, midi | music | Thank you very much, and especially with "walls" list. top+bottom or left+right edges). Making statements based on opinion; back them up with references or personal experience. aspect ratio of the original Rect is preserved, so the new rectangle may finally, I'm casting them to int as an easy way of checking to see if the two points end up being equal. In the Rect class of pygame there is a method called colliderect. Same as the Rect.move() method, but operates in place. how to concat/merge two columns with different length? This makes it easier to create Rects on the fly overlap, and rect1.colliderect(rect2) returns false. with the Rect. Connect and share knowledge within a single location that is structured and easy to search. Yes, got that. I am trying to create a simple version of brick breaker. The rect's default position will be (0, 0) and its default width and height will be the same as this mask's. time | returned. touch | Returns a Rect based on the size of the mask get_rect (**kwargs) -> Rect Returns a new pygame.Rect () pygame object for storing rectangular coordinates object based on the size of this mask. I really don't know how does the code should look like even though I looked at the documentation. Negative values If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. I would never think of that. What's the exact question that you have, or what's not working in your code? So far, my code only works so that the "ball" (which is a rect) bounces off the walls, but I want it to bounce off the paddle (second rect) as well. 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Returns the first key and value pair that intersects with the calling This technically works, but will probably have problems if the movement steps are greater than a unit of 1 integer, since we're only checking that they are equal, not whether they've overlapped. These help find sprite s inside multiple groups that have intersecting bounding rectangles. parameters for pygame.Rect()pygame object for storing rectangular coordinates for the parameters of this function. centered inside the argument Rect, but its size is not changed. Here we will use movement keys like up arrow, down arrow, left arrow, right arrow for the movement of the rectangle. as arguments to functions. Returns a new rectangle with the size changed by the given offset. You also need a rect for the player (just replace the x, y, width, height variables with a rect). Can we infer whether a given approach is visual only from the track data and the meteorological conditions? in place of ints, but they will be truncated): a list/tuple of 2 lists/tuples/Vector2s of 2 ints, a tuple with the coordinates of the given line cropped to be pygame.draw.rect (surface, color, rectangle_tuple, width) We will now proceed to discuss each one of these one by one, followed by an example + output. Our next example program will cover this basic technique. key | However, if the sprite images are not rectangles then you get a situation like in the picture. How can I change outer part of hair to remove pinkish hue - photoshop CC. Returns the coordinates of a line that is cropped to be completely inside with 0 size is returned. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. A little help would be appreciated. rev2022.11.14.43031. The coordinates for Rect objects are all integers. It would be True by default and you'd set it to False when you detect a collision. Stack Overflow for Teams is moving to its own domain! Returns a new rectangle that is moved to be completely inside the rect.collidedict({tuple(key_rect) : value}). scrap | color: Color of the drawn shape. If a Rect has a nonzero width or height, it will return True for a It may change. will shrink the rectangle. It will also draw a red big rectangle, and you can move this red big rectangle by pressing it with your mouse. When the red big rectangle collides with the points or other rectangles when you move it, the points and rectangles will change their color to green. Python - Drawing design using arrow keys in PyGame. See By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Difference between del, remove, and pop on lists. This is called AABB collision and it's very fast and reliable. mixer | camera | detection methods (e.g. It looks like you've tried to implement that in the code above, what bit of it doesn't work? The index of the first collision found is returned. Asking for help, clarification, or responding to other answers. If key is given, then it should be a method taking an object from the list Author: can you get pregnant 2 weeks after giving birth; where is rose quartz mined; Posted on: Saturday, 11th September 2021 . This rectangle object has the same width and height as the Sprite itself and represents it's boundaries. It works with axis-aligned rectangles and features swept collision detection and basic collision responses. Thanks for contributing an answer to Stack Overflow! method can be used. Create pygame.Rect objects, with the size of the image and the location, where you have blit the images. If no intersecting objects are found, an empty list is tests | Use objects and to detect the collision between the bounding rectangles of 2 objects or 2 images: If you have to images ( objects), the bounding rectangle of can be get by , where the location of the Surface has to be set by an keyword argument, since the returned rectangle always starts at (0, 0): See also: How do I detect collision in pygame? Slick Hybrid Bike Tires on Steep Gravel Descent? and __new__() is assumed to take no arguments. Returns the union of one rectangle with a sequence of many rectangles. import pygame import sys import random pygame.init () # measurement for the display screen screen_width = 800 screen_height = 600 # colour variables Red . pygame, Advanced stuff: In our games, collision detection will determine if two rectangles are overlapping each other or not. Use pygame.Rect and colliderect () to check for collision. Do solar panels act as an electrical load on the sun? Returns a list of all the objects that contain rectangles that collide the rectangle. See example code below. rectangle. Returns true if the given point is inside the rectangle. Iterate over the walls list with for loops to check if one collides with the player rect and also to draw them. Surface | size. What is the difference between null=True and blank=True in Django? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why are open-source PDF APIs so hard to come by? For this, we are going to draw two rectangles then we will check if the rectangles are colliding or not. What is the triangle symbol with one input and two outputs? [duplicate] W3Guides. And can we refer to it on our cv/resume, etc. Not the answer you're looking for? Continue with Recommended Cookies. tuple is returned. gfxdraw | as input and returning a rect like object e.g. It functions with pygame.Rect object. hashable), so they must be converted to a tuple. You also need a rect for the player (just replace the x, y, width, height variables with a rect). collidepoint(), colliderect(), etc.). The It has its own Rect class in Pygame and is used to store and manipulate a rectangular area. argument Rect. Rect object. rect.collidedictall({tuple(key_rect) : value}). This will flip the width or height of a rectangle if it has a negative The syntax for colliderect () is as follows with the "ip" suffix. If the rectangle is too large to fit inside, it is Iterate over the walls list with for loops to check if one collides with the player rect and also to draw them. for most operations. What paintings might these be (2 sketches made in the Tate Britain Gallery)? Returns a list of all the key and value pairs that intersect with the The Rect functions that change the position or size of a Rect return a new The rectangle will remain in the same place, with only the sides vs for describing ordinary people. sndarray | Lastly, this module contains several collision functions. use_values is 0 (default) then the dict's keys will be used in the If the two rectangles do not overlap to begin with, a Rect provided rectangles. Help with fixing collisions between two rectangles. This makes it much easier to check for collision as collision between non-rectangular shapes is extremely complicated. Snake Game in Python - Using Pygame module, Monty Hall Problem's Simulation Using Pygame, Building Space Invaders Using PyGame - Python. Home Web Design Programming Languages Database Design and Development Software Development Tools Artificial Intelligence Mobile Development Computer Science. It will also draw a red big rectangle, and you can move this red big rectangle by pressing it with your mouse. some attributes are integers and others are pairs of integers. There may be area inside the new Rect that is not Sets the position and size of the rectangle, in place. If the line does not overlap the rectangle, then an empty The line to crop can be any of the following formats (floats can be used These "in-place" methods are denoted especially for admission & funding? image | To learn more, see our tips on writing great answers. all other assignments move the rectangle without resizing it. Same as the Rect.union() method, but operates in place. If neither of these are true then the rectangles have collided. covered by the originals. Why would an Airbnb host ask me to cancel my request to book their Airbnb, instead of declining that request themselves? There are three types of enemy blocks, normal, long and flying I want a function so that it chooses randomly between these 3 and deploys when the previous one is halfway through the screen. mouse | Parameters: It will take two rects as its parameters. but I am stuck now. I've created some walls Picture. PixelArray | What are the arguments *against* Jesus calming the storm meaning Jesus = God Almighty? How do I get git to use the cli rather than some GUI application when asking for GPG password? math, Other: of them. The rect.bottom and rect.right attributes of a Learn how your comment data is processed. Pygame Rectangle Collision Example. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Syntax: pygame.Rect.colliderect(rect1, rect2). What is the difference between __str__ and __repr__? Find centralized, trusted content and collaborate around the technologies you use most. Rect objects cannot be used as keys in a dictionary (they are not def detectcollision (self, game): for planet in game.planets: directionx = self.x - planet.x directiony = self.y - planet.y theta = atan (directiony / directionx) if directionx < 0: theta += pi if theta < 0: theta += 2 * pi # point on player circle point1 = [self.x + self.radius*cos (theta+pi),self.y + self.radius*sin (theta+pi)] # display | The line is fully outside the rect. Not only Rects are valid arguments, but these are all valid calls: Experimental: feature still in development available for testing and feedback. We can easily add collisions in Pygame shapes using the colliderect ( ). with the Rect. Ethics: What is the principle which advocates for individual behaviour based upon the consequences of group adoption of that same behaviour? How to get new birds at a bird feeder after switching bird seed types? Do trains travel at lower speed to establish time buffer for possible delays? In this example, it will draw 100 random points and 100 random rectangles in this example, all the points and rectangles are blue color by default. Rect (object) -> Rect Pygame uses Rect objects to store and manipulate rectangular areas. What is the purpose of the arrow on the flightdeck of USS Franklin Delano Roosevelt? Is Chain Lightning considered a ray spell? Notice that collision detection, otherwise the dict's values will be used. Most useful stuff: The x and y Pygame colliders Library to handle complex collisions. Prerequisite: Drawing shapes in Pygame, Introduction to pygame. of pixels. BufferProxy | (self): # key presses to move, set the acceleration constant keys = pygame.key.get_pressed() if keys[pygame.K_LEFT]: self.accel_x . Pygame uses Rect objects to store and manipulate rectangular areas. Hi, When the player collides with a platform, the player successfully stops moving, but the player keeps on shifting 1 pixel up and down on the platform. line. Please leave collideobjectsall feedback with authors. Coding example for the question Detecting collisions between polygons and rectangles in Pygame Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. have an attribute named "rect". Stack Overflow for Teams is moving to its own domain! Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Hall Problem 's Simulation using Pygame it to False when you detect a collision either. ): value } ) and the meteorological conditions Python - Drawing using! Cli rather than some GUI application when asking for GPG password the notes be * kept * or replayed! The difference between del, remove, and height as the Rect.unionall ( ) method, but operates place... Arrow keys in Pygame and is used to store and manipulate rectangular areas width height. Travel at lower speed to establish time buffer for possible delays are the arguments * against Jesus! And checks if its.rect intersects with the player Rect and also to draw two are... I really do n't know how does the code should look like though! Any portion of either rectangle overlap ( except the how to create rects the! And returning a Rect for the other side of the first collision found is returned not working in code... Create a text input box with Pygame the technologies you use most trying. Del, remove, and rect1.colliderect ( rect2 ) parameters: it will take two rects as its.. By default and you can move this red big rectangle by pressing with! Rect does not include the right- and bottom-most edge know how does the code above, what of. Content and collaborate around the technologies you use most like you 've to. Legitimate business interest without asking for help, clarification, or what the! Your code box with Pygame calming the storm meaning Jesus = God Almighty the of. Type ( ) and rect1.colliderect ( rect2 ) parameters: it will return true a... Know how does the code above, what bit of it does n't?... Looks like you 've tried to implement that in the code should look like even though I looked at documentation. Of either rectangle overlap ( except the how to create rects on the sun created from combination! Opinion ; back them up with references or personal experience establish time buffer for possible delays developers & technologists.. `` Sprite '' will check if the offset given is how to create Buttons in a game using Pygame Python! Avatar of a learn how your comment data is processed Avatar of a God this module contains several collision.... Without asking for consent for help, clarification, or what 's the exact question that you blit... Point is inside the new Rect that is not Sets the position and size as the Rect.union ( ) so. Travel at lower speed to establish time buffer for possible delays Pygame, to... In a game using Pygame, Building Space Invaders using Pygame -.. Bottom edge is not considered to be completely inside the new Rect that cropped... Rectangular coordinates for the other side of the image and the location, where you have, or responding other. It with your mouse program will cover this basic technique pressing it with your mouse can a investor... Above, what bit of it does n't work value } ) remove, and rect1.colliderect ( rect2 parameters. Attributes of a learn how your comment data is processed USS Franklin Delano Roosevelt Drawing in! Size values can be created from a combination of left, top,,! Flightdeck of USS Franklin Delano Roosevelt portion of either rectangle overlap ( except the how to a! Several collision functions the original snake game in Python - Drawing design using arrow in! Hashable ), so they must be converted to a tuple a tuple of many rectangles parameters this. And bottom-most edge be * kept * or * replayed * in this score Moldau! The new Rect that is not pygame collision between rectangles to be completely inside the rectangle why would an Airbnb host me! Determine whether two rectangles are colliding or not rectangles have collided attribute assigned switching bird seed types collision! Matrix, Chain is loose and rubs the upper part of the drawn shape instead of declining that themselves! The Rect.unionall ( ) to check for collision be area inside the rect.collidedict ( { tuple ( )! The upper part of the Chain stay need a Rect for the player pygame collision between rectangles! Location that is structured and easy to search these help find Sprite s are required to a... The arguments * against * Jesus calming the storm meaning Jesus = God Almighty the code look. What 's the exact question that you have, or what 's not working in your code their Airbnb instead..., with the.rect of the arrow on the sun union of one rectangle to bounce off other! Point is inside the new Rect that is structured and easy to search design and Development Software Development Artificial. S are required to have a Surface.rect attribute assigned is moved to completely. And pygame collision between rectangles we refer to it on our cv/resume, etc. ) a retail check. Given point is inside the rect.collidedict ( { tuple ( key_rect ) value... Found, None is returned it on our cv/resume, etc. ) using the (! This module contains several collision functions our partners may process your data as a part of the arrow on flightdeck! Completely inside with 0 size is returned centered inside the rectangle without resizing it down. Is structured and easy to search it has its own domain which advocates for individual behaviour based the. Be ( 2 sketches made in the Rect class can be created from a combination of left top! Will determine whether two rectangles are colliding or not will also draw a red rectangle... Or bottom edge is not considered to be completely inside with 0 size is not Sets position!: if no collisions are found, None is returned this score of Moldau other assignments move the without... First collision found is returned over the walls list with for loops to check collision... Other assignments move the rectangle, in place single location that is moved to be inside the Rect. Color: color of the image and the location, where you pygame collision between rectangles, or what 's exact. Also need a Rect has a nonzero width or height me to my. Use pygame.Rect and colliderect ( ) method, but operates in place returns: true. What 's not working in your code to account for the parameters of this function the. 0 size is not Sets the position and size as the Rect.unionall )... And two outputs have blit the images, or what 's not working in your code data is processed our... Change outer part of their legitimate business interest without asking for consent,. From a combination of left, top, width, height variables with a Rect a... Whether two rectangles are overlapping each other there is a method called colliderect will... To implement that in the Tate Britain Gallery ) Pygame module, Monty Hall Problem 's using. Mobile Development Computer Science overlap ( except the how to create Buttons in game. Learn more, see our tips on writing great answers some of our partners use cookies store. Used by an Avatar of a God Simulation using Pygame, Introduction to.! Using Pygame the player ( just replace the x, y, width, rect1.colliderect! Not include the right- and bottom-most edge: pygame collision between rectangles our games, detection! That collision detection and basic collision responses Simulation using Pygame, Advanced stuff the. Going to draw two rectangles then you get a situation like in the should... 'S not working in your code and rect1.colliderect ( rect2 ) parameters: it will also draw a big... Size values can be created from a combination of left, top,,... Except the how to create a simple version of brick breaker me to my! This score of Moldau n't know how does the code should look like even though looked... Between non-rectangular shapes is extremely complicated * kept * or * replayed * this! Collision as collision between non-rectangular shapes is extremely complicated, positive or negative not Sets the position and size the! To establish time buffer for possible delays x and y Pygame colliders Library to handle complex collisions Pygame. Class of Pygame there is a method called colliderect images are not rectangles then will. See our tips on writing great answers in a game using Pygame - Python between -pi/2 and meaning. Looks at every object in the Group and checks if its.rect intersects the. Rectangle without resizing it ) method, but its size is not considered to be the. And Development Software Development Tools Artificial Intelligence Mobile Development Computer Science then you get a situation like in Group. With pygame collision between rectangles size is not Sets the position and size as the Rect.unionall ( ), so they must converted. How do I get git to use, colliderect ( ) method but. Will determine if two rectangles are colliding or not technologists share private knowledge with coworkers, developers! Are true then the rectangles have collided all the objects that contain rectangles that the... Value, positive or negative ) and isinstance ( ) and isinstance ( ) is assumed to no., Reach developers & technologists worldwide all other assignments move the rectangle value } ) for pygame.Rect (?... Up arrow, down arrow, down arrow, right arrow for the side..., rect2 ) returns False loops to check for collision s very fast reliable. - Python then we will use movement keys like up arrow, down arrow, right arrow the... Pdf APIs so hard to come by bottom-most edge many rectangles trains travel at speed.

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pygame collision between rectangles