{"id":10014,"date":"2021-08-09T13:49:08","date_gmt":"2021-08-09T11:49:08","guid":{"rendered":"https:\/\/pythonprogramming.altervista.org\/?p=10014"},"modified":"2021-08-09T13:49:09","modified_gmt":"2021-08-09T11:49:09","slug":"cat-particles-with-pygame","status":"publish","type":"post","link":"https:\/\/pythonprogramming.altervista.org\/cat-particles-with-pygame\/","title":{"rendered":"Cat particles with pygame"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I did not made this, I just changed the code a little bit. Here is another interesting code to make particles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/github.com\/formazione\/PygameParticles\">https:\/\/github.com\/formazione\/PygameParticles<\/a><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2021\/08\/pygame-window-2021-08-09-13-44-14.mp4\"><\/video><\/figure>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pygame, sys, random\t\n\nclass ParticlePrinciple:\n\tdef __init__(self):\n\t\tself.particles = []\n\n\tdef emit(self):\n\t\tif self.particles:\n\t\t\tself.delete_particles()\n\t\t\tfor particle in self.particles:\n\t\t\t\tparticle[0][1] += particle[2][0]\n\t\t\t\tparticle[0][0] += particle[2][1]\n\t\t\t\tparticle[1] -= 0.2\n\t\t\t\tpygame.draw.circle(screen,pygame.Color('White'),particle[0], int(particle[1]))\n\n\tdef add_particles(self):\n\t\tpos_x = pygame.mouse.get_pos()[0]\n\t\tpos_y = pygame.mouse.get_pos()[1] \n\t\tradius = 10\n\t\tdirection_x = random.randint(-3,3)\n\t\tdirection_y = random.randint(-3,3)\n\t\tparticle_circle = [[pos_x,pos_y],radius,[direction_x,direction_y]]\n\t\tself.particles.append(particle_circle)\n\n\tdef delete_particles(self):\n\t\tparticle_copy = [particle for particle in self.particles if particle[1] > 0]\n\t\tself.particles = particle_copy\nclass ParticleNyan:\n\tdef __init__(self):\n\t\tself.particles = []\n\t\tself.size = 12\n\n\tdef emit(self):\n\t\tif self.particles:\n\t\t\tself.delete_particles()\n\t\t\tfor particle in self.particles:\n\t\t\t\tparticle[0].x -= 1\n\t\t\t\tpygame.draw.rect(screen,particle[1],particle[0])\n\n\t\tself.draw_nyancat()\n\n\tdef add_particles(self,offset,color):\n\t\tpos_x = pygame.mouse.get_pos()[0]\n\t\tpos_y = pygame.mouse.get_pos()[1] + offset\n\t\t\n\t\tparticle_rect = pygame.Rect(int(pos_x - self.size\/2),int(pos_y - self.size\/2),self.size,self.size)\n\t\tself.particles.append((particle_rect,color))\n\n\tdef delete_particles(self):\n\t\tparticle_copy = [particle for particle in self.particles if particle[0].x > 0]\n\t\tself.particles = particle_copy\n\n\tdef draw_nyancat(self):\n\t\tnyan_rect = nyan_surface.get_rect(center = pygame.mouse.get_pos())\n\t\tscreen.blit(star,nyan_rect)\n\nclass ParticleStar:\n\tdef __init__(self):\n\t\tself.particles = []\n\t\tself.surface = pygame.image.load('star.png').convert_alpha()\n\t\tself.width = self.surface.get_rect().width\n\t\tself.height = self.surface.get_rect().height\n\n\tdef emit(self):\n\t\tif self.particles:\n\t\t\tself.delete_particles()\n\t\t\tfor particle in self.particles:\n\t\t\t\tparticle[0].x += particle[1]\n\t\t\t\tparticle[0].y += particle[2]\n\t\t\t\tparticle[3] -= 0.2\n\t\t\t\tscreen.blit(self.surface,particle[0])\n\t\t\t\tpos_x = pygame.mouse.get_pos()[0]\n\t\t\t\tpos_y = pygame.mouse.get_pos()[1]\n\t\t\t\tscreen.blit(nyan_surface, (pos_x - 100, pos_y-50))\n\n\tdef add_particles(self):\n\t\tpos_x = pygame.mouse.get_pos()[0] - self.width \/ 2\n\t\tpos_y = pygame.mouse.get_pos()[1] - self.height \/ 2\n\t\tdirection_x = random.randint(-3,3)\n\t\tdirection_y = random.randint(-3,3)\n\t\tlifetime = random.randint(4,10)\n\t\tparticle_rect = pygame.Rect(int(pos_x),int(pos_y),self.width,self.height)\n\t\tself.particles.append([particle_rect,direction_x,direction_y,lifetime])\n\n\tdef delete_particles(self):\n\t\tparticle_copy = [particle for particle in self.particles if particle[3] > 0]\n\t\tself.particles = particle_copy\n\npygame.init()\nscreen = pygame.display.set_mode((500,500))\nclock = pygame.time.Clock()\n\nparticle1 = ParticlePrinciple()\n\nstar = pygame.image.load('star.png').convert_alpha()\nnyan_surface = pygame.image.load('nyan_cat.png').convert_alpha()\nparticle2 = ParticleNyan()\n\nparticle3 = ParticleStar()\n\nPARTICLE_EVENT = pygame.USEREVENT + 1\npygame.time.set_timer(PARTICLE_EVENT,1)\n\nwhile True:\n\tfor event in pygame.event.get():\n\t\tif event.type == pygame.QUIT:\n\t\t\tpygame.quit()\n\t\t\tsys.exit()\n\t\tif event.type == PARTICLE_EVENT:\n\t\t\t#particle1.add_particles()\n\t\t\t# particle2.add_particles(-30,pygame.Color(\"Red\"))\n\t\t\t# particle2.add_particles(-18,pygame.Color(\"Orange\"))\n\t\t\t# particle2.add_particles(-6,pygame.Color(\"Yellow\"))\n\t\t\t# particle2.add_particles(6,pygame.Color(\"Green\"))\n\t\t\t# particle2.add_particles(18,pygame.Color(\"Blue\"))\n\t\t\t# particle2.add_particles(30,pygame.Color(\"Purple\"))\n\t\t\tparticle3.add_particles()\n\n\tscreen.fill((30,30,30))\n\t#particle1.emit()\n\t#particle2.emit()\n\tparticle3.emit()\n\tpygame.display.update()\n\tclock.tick(120)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><!-- se vuoi mettere un testo scorrevole\r\n[hoops name=\"typeWriterGen\"]\r\n\r\npoi metti un id diverso per ogni testo nella stessa pagina\r\n\r\n<div id=\"div01\">\r\n<script>\r\n\r\ntypeWriterGen(\"div01\",\"Esempio di testo scorrevole\");\r\n<\/script>\r\n\r\n-->\r\n<style>\r\n.avatar {\r\n  vertical-align: middle;\r\n  width: 100px;\r\n  height: 100px;\r\n  border-radius: 50%;\r\n}\r\n<\/style>\r\n\r\n<hr>\r\n\r\n<!-- NEWSLETTER LINK -->\r\n<a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSf7TniIPCWHDzCSGh2dYZaCwDvi9yLKS5ovFdKuK1sdfOvwEg\/viewform\">\r\n<img decoding=\"async\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2023\/08\/image-13.png\" class=\"avatar\">\r\nSubscribe to the <b>newsletter<\/b> for updates<\/a><br>\r\n\r\n<!-- TKINTER TEMPLATE LINK -->\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/tkinter-templates\/\">\r\n<img decoding=\"async\" src=\"https:\/\/i0.wp.com\/pythonprogramming.altervista.org\/wp-content\/uploads\/2023\/07\/image-26.png\" class=\"avatar\">\r\nTkinter templates<\/a><br>\r\n\r\n<!-- MY AVATAR PUT A LINK TO YOUTUBE CHANNEL-->\r\n<iframe loading=\"lazy\" frameborder=\"0\" src=\"https:\/\/itch.io\/embed\/711828\" width=\"552\" height=\"167\"><a href=\"https:\/\/pythonprogrammi.itch.io\/pysnake\">PySnake by PythonProgrammi<\/a><\/iframe>\r\n<br>\r\n<style>\r\n.avatar {\r\n  vertical-align: middle;\r\n  width: 100px;\r\n  height: 100px;\r\n  border-radius: 50%;\r\n}\r\n<\/style>\r\n\r\n\r\n<a href=\"https:\/\/www.youtube.com\/channel\/UCzbxq5e9gLiY-je2-br1rvg\">\r\n\t<img decoding=\"async\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2020\/10\/avatar64x64.png\" alt=\"Avatar\" class=\"avatar\">\r\n\t My youtube channel<\/a><br>\r\n\r\n<br>\r\n\r\nTwitter: <a href=\"https:\/\/twitter.com\/pythonprogrammi\">@pythonprogrammi - python_pygame<\/a>\r\n<h3>Claude's Games<\/h3>\r\n<p><a href=\"https:\/\/pythonprogramming.altervista.org\/random-daily-game-1-arkanoid\/\">Arkanoid<\/a><br>\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/platform-2d-with-pygame-made-with-claude\/\">Platform 2d<\/a><\/p> <!-- videogames made with claude -->\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/artifacts-games-day-1-memory-game\/\">1. Memory game<\/a>\r\n<h4>Videos<\/h4>\r\n<a href=\"https:\/\/youtu.be\/ciLjWWw5pLY\">Speech recognition game<\/a>\r\n<h3>Pygame's Platform Game<\/h3>\r\n\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/pygame-platform-game-5-sounds-and-mixer\/\"><img decoding=\"async\" src=\"https:\/\/i1.wp.com\/pythonprogramming.altervista.org\/wp-content\/uploads\/2020\/01\/climbercover.png?w=557&ssl=1\"\/ width=\"50%\"><\/a>\r\n<script>\r\nvar title = \"Platform Pygame\";\r\n\t\tvar links = [\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-animation-of-a-sprite-v-1-3\/\",\"Animation 1.3\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-sprite-animation-v-2-better-coding-test-it-checking-fps-on-the-screen\/\",\"Animation 1.2\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-how-to-display-the-frame-rate-fps-on-the-screen\/\",\"Display Frame rate\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-sprite-animation-update\/\",\"Animation 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address[1]\r\n\t\thtml += \"<span style='color:gray'>\" + address[1] + \"<\/span><br>\";\r\n\t}\r\n\r\n}\r\n\r\n\thtml += `<span style=\"font-size:8px\">Powered by <a href=\"https:\/\/pythonprogramming.altervista.org\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2673\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png\" alt=\"\" width=\"70\" height=\"25\" srcset=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png 156w, https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2-150x56.png 150w\" sizes=\"auto, (max-width: 70px) 100vw, 70px\" \/>pythonprogramming.altervista.org<\/a><\/span>`\r\n\thtml = \"<div style='background:yellow'>\" + html + \"<\/div>\";\r\n\tdocument.write(html)\r\n<\/script>\r\n\r\n<h3>Other Pygame's posts<\/h3>\r\n\r\n<script>\r\nvar title = \"Pygame's Posts\"\r\nvar links = 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2\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/starting-with-pygame\/\",\"Starting movements with Pygame\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-3-move-sprite\/\", \"Move a Sprite\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-4-fonts\/\",\"Text and Fonts\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-animate-a-sprite\/\", \"Animate a sprite\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-and-mouse-events\/\",\"Mouse events\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pgp-aka-pygamepresentation-project\/\",\"Pygame presentation\"],\r\n\t[\"https:\/\/pythonprogramming.altervista.org\/moving-the-player-in-pygame-with-key-get_pressed\/\",\"How to use key.get_pressed()\"]\r\n]\r\n<\/script>\r\n\r\n\r\n<script>\r\n\t\r\nif (typeof next2 != \"undefined\"){let next2 = 0;}\r\n\t\r\nnext2 = 0;\r\n\thtml = \"\";\/\/<b style='color:coral;font-size:1.2em'>Other posts about \" + title + \"<\/b><br>\";\r\nfor (address of 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[...]<\/a>","protected":false},"author":1,"featured_media":10017,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[1,191],"tags":[789,194,4],"class_list":["post-10014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-examples","category-pygame","tag-particles","tag-pygame","tag-python"],"avopt_banners_inside_post":true,"avopt_banners_on_page":true,"av_copy_from":"","av_sharing_message":"","av_sharing_allowed":true,"av_sharing_on":{"fb":[],"tw":[]},"av_allow_affiliate_banner":false,"av_allow_affiliate_multi_banner":false,"av_show_affiliation_buy_button":false,"av_post_rating":true,"av_have_post_rating_value":false,"av_is_artificial_intelligence_content":false,"_links":{"self":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts\/10014","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/comments?post=10014"}],"version-history":[{"count":2,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts\/10014\/revisions"}],"predecessor-version":[{"id":10018,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts\/10014\/revisions\/10018"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/media\/10017"}],"wp:attachment":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/media?parent=10014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/categories?post=10014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/tags?post=10014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}