{"id":1855,"date":"2013-04-12T18:04:33","date_gmt":"2013-04-12T15:04:33","guid":{"rendered":"http:\/\/unitycoder.com\/blog\/?p=1855"},"modified":"2013-09-17T22:53:11","modified_gmt":"2013-09-17T19:53:11","slug":"water-particles-unity","status":"publish","type":"post","link":"https:\/\/unitycoder.com\/blog\/2013\/04\/12\/water-particles-unity\/","title":{"rendered":"Water Particles"},"content":{"rendered":"

\"water_particles_unity3d\"<\/a><\/p>\n

Converted this javascript demo to Unity C#: Aqualibrium by Gerard Ferrandez<\/a><\/p>\n

Info:<\/strong>
\n– Had to make some modifications since all those javascript [this] that.x variables were quite complicated..but seems to work \ud83d\ude42
\n– Screenshot shows 500 spheres with debug.drawlines to each neighbour particle (added gravity on by default)<\/p>\n

Current version:<\/strong>
\n– Got distance calculation bit faster (mainloop went from: 192ms for 1500 particles, to: 104ms for 1500 particles) (debug.linedraw is on): using this sphere Distance Between 2 points<\/a>
\n– If I use default sphere as prefab for the particle, it doesnt get batched, but default cube does ..Oo?<\/p>\n

TODO:<\/strong>
\n– 3D version?
\n– Add Blobmesh = water?
\n– Optimize..if can..
\n– Different fluidish materials? (mass, friction, break-ability?)
\n– Sand simulation? (ground digging with excavator..or maybe better using the eulerian water sim grid?)
\n– Test threading? http:\/\/unitygems.com\/threads\/<\/a><\/p>\n

Webplayer:
\n<\/strong>http:\/\/unitycoder.com\/upload\/demos\/WaterParticles1\/<\/a> (500 particles)
\nhttp:\/\/unitycoder.com\/upload\/demos\/WaterParticles2\/<\/a> (additive particle shader)<\/p>\n

Download source:<\/strong>
\nwaterParticles.unitypackage<\/a><\/p>\n

—<\/p>\n

Image#2:<\/strong> Testing threading with 1500 cubes.. its fast & kind of works, but some particles wont slown down at all..
\n\"unity3d_threading_test\"<\/a>(click for full size)<\/p>\n

—<\/p>\n

Image#3<\/strong>: Nice idea here..but it would pretty much need unity pro: http:\/\/www.patrickmatte.com\/stuff\/physicsLiquid\/<\/a>
\nTried with additive particle shader instead:
\n\"water_particles_blue_shader_unity3d\"<\/a>(click for full size)<\/p>\n

—<\/p>\n

Image#4<\/strong>: Scaling particles based on neighbour count (would be also interesting to stretch them based on speed..)
\n\"water_particles_scaled_unity3d\"<\/a>(click for full size)<\/p>\n","protected":false},"excerpt":{"rendered":"

Converted this javascript demo to Unity C#: Aqualibrium by Gerard Ferrandez Info: – Had to make some modifications since all those javascript [this] that.x variables were quite complicated..but seems to work \ud83d\ude42 – Screenshot shows 500 spheres with debug.drawlines to each neighbour particle (added gravity […]<\/p>\n","protected":false},"author":1,"featured_media":1857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[4,3],"tags":[68,759,228,477,60],"class_list":["post-1855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-demos","category-unity3d","tag-c","tag-particles","tag-physics","tag-repel","tag-water"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/unitycoder.com\/blog\/wp-content\/uploads\/2013\/04\/water_particles_unity3d.jpg?fit=680%2C383&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p1KTaT-tV","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/posts\/1855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/comments?post=1855"}],"version-history":[{"count":20,"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/posts\/1855\/revisions"}],"predecessor-version":[{"id":2425,"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/posts\/1855\/revisions\/2425"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/media\/1857"}],"wp:attachment":[{"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/media?parent=1855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/categories?post=1855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unitycoder.com\/blog\/wp-json\/wp\/v2\/tags?post=1855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}