Difference between revisions of "3D Plane"
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Here you will find various resources to help you create 3D games and apps in Gideros Studio. | Here you will find various resources to help you create 3D games and apps in Gideros Studio. | ||
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'''note''': you may have to provide your own assets (fonts, gfx, …). | '''note''': you may have to provide your own assets (fonts, gfx, …). | ||
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=== 3D Plane (Mesh) === | === 3D Plane (Mesh) === | ||
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Latest revision as of 22:41, 18 November 2023
Here you will find various resources to help you create 3D games and apps in Gideros Studio.
note: you may have to provide your own assets (fonts, gfx, …).
3D Plane (Mesh)
This function is an helper to create 3D planes.
file: Media:3D_Plane_Helper.lua
function PLANE_3D(xworld, params)
-- params
local params = params or {}
local xposx = params.posx or 0
local xposy = params.posy or 0
local xposz = params.posz or 0
local xsizex = params.sizex or 1
local xsizey = params.sizey or 1
local xsizez = params.sizez or xsizex
local xrotx = params.rotx or 0
local xroty = params.roty or 0
local xrotz = params.rotz or 0
local xtexpath = params.texpath or nil
local xtexw = params.texw or 8 * 64
local xtexh = params.texh or 8 * 64
-- plane mesh
local mesh = D3.Mesh.new()
mesh:setVertexArray{ -xsizex,xsizey,-xsizez, xsizex,xsizey,-xsizez, xsizex,xsizey,xsizez, -xsizex,xsizey,xsizez }
-- texture coordinates -- make it big (3200, 3200)
mesh:setTextureCoordinateArray { 0, 0, xtexw, 0, xtexw, xtexh, 0, xtexh }
-- normal array
mesh:setGenericArray( 3, Shader.DFLOAT, 3, 4, { 0,1,0, 0,1,0, 0,1,0, 0,1,0 } )
mesh:setIndexArray { 1,2,3, 1,3,4 }
if xtexpath == nil then
mesh:setTexture( Texture.new( nil, xsizex, xsizez ) )
else
mesh:setTexture( Texture.new( xtexpath, true, { wrap = TextureBase.REPEAT } ) )
end
-- lighting, shadows, and texture. setTexture doesn't automatically do it
mesh:updateMode( D3.Mesh.MODE_LIGHTING | D3.Mesh.MODE_SHADOW | D3.Mesh.MODE_TEXTURE )
-- put it in a viewport so we can matrix it
local planeview = Viewport.new()
planeview:setContent(mesh)
-- transform
local matrix = planeview:getMatrix()
matrix:setPosition(xposx, xposy, xposz)
matrix:setRotationX(xrotx)
matrix:setRotationY(xroty)
matrix:setRotationZ(xrotz)
planeview:setMatrix(matrix)
-- body
planeview.body = xworld:createBody(planeview:getMatrix())
planeview.body:setType(r3d.Body.STATIC_BODY)
planeview.shape = r3d.BoxShape.new(xsizex, xsizey, xsizez)
local fixture = planeview.body:createFixture(planeview.shape, nil, 0) -- shape, transform, weight
-- fixture:setCollisionCategoryBits(NONDESTRUCTIBLES)
-- fixture:setCollideWithMaskBits(PLAYER1+MISSILES+DESTRUCTIBLES)
-- xworld.staticbodies[#xworld.staticbodies + 1] = planeview
end