Files
reilua-enhanced/examples/rlgl/main.lua
2023-10-11 15:19:54 +03:00

80 lines
1.8 KiB
Lua

-- Work In Progress!
local monitor = 0
local texture = -1
local triSize = 32.0
local vertices = {
0.0, 0.0, 0.0,
0.0, 0.0, triSize,
triSize, 0.0, triSize
}
local colors = {
RL.RED, RL.RED, RL.RED,
RL.GREEN, RL.GREEN, RL.GREEN,
RL.BLUE, RL.BLUE, RL.BLUE
}
local VBO_VERTEX_POS = 0
local VBO_COLOR_POS = 1
local mesh = {
vaoId = -1,
vboIds = {
vertices = -1,
colors = -1,
}
}
function uploadMesh()
mesh.vaoId = RL.rlLoadVertexArray()
RL.rlEnableVertexArray( mesh.vaoId )
-- Vertices.
mesh.vboIds.vertices = RL.rlLoadVertexBuffer( vertices, RL.RL_FLOAT, false )
RL.rlSetVertexAttribute( VBO_VERTEX_POS, 3, RL.RL_FLOAT, false, 0, 0 )
RL.rlEnableVertexAttribute( VBO_VERTEX_POS )
-- Colors.
mesh.vboIds.colors = RL.rlLoadVertexBuffer( vertices, RL.RL_UNSIGNED_BYTE, false )
RL.rlSetVertexAttribute( VBO_COLOR_POS, 4, RL.RL_UNSIGNED_BYTE, false, 0, 0 )
RL.rlEnableVertexAttribute( VBO_COLOR_POS )
RL.rlDisableVertexArray()
print( "Mesh:" )
print( "\tvaoId: "..mesh.vaoId )
print( "\tvboIds.vertices: "..mesh.vboIds.vertices )
print( "\tvboIds.colors: "..mesh.vboIds.colors )
end
function RL.init()
local mPos = RL.GetMonitorPosition( monitor )
local mSize = RL.GetMonitorSize( monitor )
local winSize = RL.GetScreenSize()
RL.SetWindowState( RL.FLAG_WINDOW_RESIZABLE )
RL.SetWindowState( RL.FLAG_VSYNC_HINT )
RL.SetWindowPosition( { mPos[1] + mSize[1] / 2 - winSize[1] / 2, mPos[2] + mSize[2] / 2 - winSize[2] / 2 } )
uploadMesh()
end
function drawMesh()
end
function RL.draw()
RL.ClearBackground( { 100, 150, 100 } )
end
-- You need to manually free resources.
function RL.exit()
if 0 <= mesh.vaoId then
RL.rlUnloadVertexArray( mesh.vaoId )
end
for _, vboId in pairs( mesh.vboIds ) do
if 0 <= vboId then
RL.rlUnloadVertexBuffer( vboId )
end
end
end