{"id":971,"date":"2014-10-31T16:00:15","date_gmt":"2014-10-31T16:00:15","guid":{"rendered":"http:\/\/phoenixgamedevelopment.com\/blog\/?p=971"},"modified":"2014-10-31T16:00:15","modified_gmt":"2014-10-31T16:00:15","slug":"p-152-virtual-world-concept-update-11-spherical-terrain","status":"publish","type":"post","link":"https:\/\/phoenixgamedevelopment.com\/blog\/p-152-virtual-world-concept-update-11-spherical-terrain\/","title":{"rendered":"P-152: Virtual World Concept Update 11: Spherical Terrain"},"content":{"rendered":"

I have made quite a good start with the spherical terrain. I have managed to create a cube using six terrain objects, and have learned how to deform those terrains using curves, and apply noise to those curves to generate terrain.<\/p>\n

I now need to create an actual sphere. I have succeeded in creating a curved terrain object, but it is not spherical, and has visible seams at the edges. This will likely be the greatest challenge of the project, at least before I start working on terrain paging and very large terrains.<\/p>\n

T3D’s terrain system, which I am basing my spherical terrain on, is very simple and easy to use. It is basicaly a list of vertices, and so terrain can be deformed very easily using the following code:<\/p>\n

\n

\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 for ( S32 y = 0; y < blockSize; y++ )
\n{<\/p>\n

for ( S32 x = 0; x < blockSize; x++ )
\n{<\/p>\n

\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 file->setHeight( x, y,999 );<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\n}<\/p>\n

\n

Where “file” is a terrain file, and “999” is the desired height of that terrain pixel. Blocksize is the resolution of the terrain, so 256, 1024, etc.<\/p>\n

\n<\/blockquote>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\"PhoenixGameDevelopment56<\/a> \"PhoenixGameDevelopment68<\/a> \"PhoenixGameDevelopment76<\/a> \"PhoenixGameDevelopment79<\/a> \"PhoenixGameDevelopment85<\/a> \"PhoenixGameDevelopment89<\/a> \"PhoenixGameDevelopment08<\/a> \"PhoenixGameDevelopment21<\/a> \"PhoenixGameDevelopment24<\/a> \"PhoenixGameDevelopment26<\/a> \"PhoenixGameDevelopment29<\/a> \"PhoenixGameDevelopment37<\/a> \"PhoenixGameDevelopment39<\/a> \"PhoenixGameDevelopment42<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

I have made quite a good start with the spherical terrain. I have managed to create a cube using six terrain objects, and have learned how to deform those terrains using curves, and apply noise to those curves to generate terrain. I now need to create an actual sphere. I have succeeded in creating a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,10],"tags":[],"class_list":["post-971","post","type-post","status-publish","format-standard","hentry","category-astral-realms","category-software-and-games","has-post-title","has-post-date","has-post-category","has-post-tag","has-post-comment","has-post-author",""],"aioseo_notices":[],"builder_content":"","_links":{"self":[{"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/posts\/971"}],"collection":[{"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/comments?post=971"}],"version-history":[{"count":1,"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/posts\/971\/revisions"}],"predecessor-version":[{"id":986,"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/posts\/971\/revisions\/986"}],"wp:attachment":[{"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/media?parent=971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/categories?post=971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phoenixgamedevelopment.com\/blog\/wp-json\/wp\/v2\/tags?post=971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}