New GenMeshCustom, UpdateMesh and lightmap example.

2022-05-16 13:44:10 +03:00
parent b034aa01dc
commit 59ea29d8ff
11 changed files with 493 additions and 146 deletions
--- a/examples/lightmap/main.lua
+++ b/examples/lightmap/main.lua
@@ -0,0 +1,92 @@
+local PLANE_SIZE = 8
+
+local monitor = 0
+local camera = -1
+local tileTexture = -1
+local mesh = -1
+local material = -1
+local lightmap = -1
+local shader = -1
+
+local matrix = {}
+
+function init()
+	local mPos = RL_GetMonitorPosition( monitor )
+	local mSize = RL_GetMonitorSize( monitor )
+	local winSize = RL_GetWindowSize()
+
+	RL_SetWindowState( FLAG_WINDOW_RESIZABLE )
+	RL_SetWindowPosition( { mPos[1] + mSize[1] / 2 - winSize[1] / 2, mPos[2] + mSize[2] / 2 - winSize[2] / 2 } )
+
+	camera = RL_CreateCamera3D()
+	RL_SetCamera3DPosition( camera, { 0, 8, 16 } )
+	RL_SetCamera3DTarget( camera, { 0, 0, 0 } )
+	RL_SetCamera3DUp( camera, { 0, 2, 0 } )
+	RL_SetCamera3DMode( camera, CAMERA_FREE )
+
+	local ts = PLANE_SIZE
+	local meshData = {
+		vertices = { { 0, 0, 0 }, { 0, 0, PLANE_SIZE }, { PLANE_SIZE, 0, PLANE_SIZE },
+					 { 0, 0, 0 }, { PLANE_SIZE, 0, PLANE_SIZE }, { PLANE_SIZE, 0, 0 } },
+		texcoords = { { 0, 0 }, { 0, ts }, { ts, ts },
+					  { 0, 0 }, { ts, ts }, { ts, 0 } },
+		texcoords2 = { { 0, 0 }, { 0, 1 }, { 1, 1 },
+					   { 0, 0 }, { 1, 1 }, { 1, 0 } },
+		colors = { WHITE, WHITE, WHITE,
+				   WHITE, WHITE, WHITE },
+		normals = { { 0, 1, 0 }, { 0, 1, 0 }, { 0, 1, 0 },
+				    { 0, 1, 0 }, { 0, 1, 0 }, { 0, 1, 0 } },
+	}
+	mesh = RL_GenMeshCustom( meshData, true )
+
+	-- local meshEdit = {
+	-- 	vertices = { { 0, 1, 0 }, { 0, 0, PLANE_SIZE }, { PLANE_SIZE, 0, PLANE_SIZE },
+	-- 				 { 0, 1, 0 }, { PLANE_SIZE, 0, PLANE_SIZE }, { PLANE_SIZE, 0, 0 } },
+	-- }
+	-- RL_UpdateMesh( mesh, meshEdit )
+	
+	tileTexture = RL_LoadTexture( RL_GetBasePath().."../resources/images/tile.png" )
+	RL_GenTextureMipmaps( tileTexture )
+	RL_SetTextureFilter( tileTexture, TEXTURE_FILTER_TRILINEAR )
+	lightmap = RL_LoadTexture( RL_GetBasePath().."../resources/images/lightmap.png" )
+	RL_GenTextureMipmaps( lightmap )
+	RL_SetTextureFilter( lightmap, TEXTURE_FILTER_TRILINEAR )
+	RL_SetTextureWrap( lightmap, TEXTURE_WRAP_CLAMP )
+
+	shader = RL_LoadShader( RL_GetBasePath().."../resources/shaders/glsl330/lightmap.vs",
+						    RL_GetBasePath().."../resources/shaders/glsl330/lightmap.fs" )
+
+	local materialData = {
+		shader = shader,
+		maps = {
+			{
+				MATERIAL_MAP_ALBEDO,
+				{
+					texture = tileTexture,
+					color = WHITE,
+					value = 1.0,
+				},
+			},
+			{
+				MATERIAL_MAP_METALNESS,
+				{
+					texture = lightmap,
+					color = WHITE,
+					value = 1.0,
+				},
+			},
+		},
+	}
+	material = RL_CreateMaterial( materialData )
+
+	matrix = RL_MatrixMultiply( RL_MatrixIdentity(), RL_MatrixTranslate( { -4, 0, -4 } ) )
+end
+
+function draw()
+	RL_ClearBackground( { 25, 50, 50 } )
+	RL_UpdateCamera3D( camera )
+	
+	RL_BeginMode3D( camera )
+		RL_DrawMesh( mesh, material, matrix )
+	RL_EndMode3D()
+end