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authorsanine <sanine.not@pm.me>2023-03-29 00:01:54 -0500
committersanine <sanine.not@pm.me>2023-03-29 00:01:54 -0500
commit5a93fb6f6a8fb6f1dad821b407b4f4531bc23783 (patch)
treed7b7fb60868e2381bdd14efa357188ba3a27b804 /main.lua
parent45dbe47d17303050cbea7c2c51e838acfe21c2fb (diff)
add image caching
Diffstat (limited to 'main.lua')
-rw-r--r--main.lua59
1 files changed, 36 insertions, 23 deletions
diff --git a/main.lua b/main.lua
index 098a65b..f13a1a6 100644
--- a/main.lua
+++ b/main.lua
@@ -22,27 +22,12 @@ local vw, vh = 640, 480
-- create camera matrices
local camera = {
- view=Mat4():identity():translate(Vec3{0, 0, -30}),
+ view=Mat4():identity():translate(Vec3{0, 0, -3}),
projection=Mat4():perspective(math.rad(45), 640/480, 0.1, 100),
}
--- create shader
-local shader = honey.Shader{
- vertexFile = "vertex.glsl",
- fragmentFile = "fragment.glsl",
-}
-
--- load models
-local plane = honey.mesh.loadFile("assets/plane.obj")[1]
-local tetra = honey.mesh.loadFile("assets/tetrahedron.obj")[1]
-local cube = honey.mesh.loadFile("assets/cube.obj")[1]
-local octa = honey.mesh.loadFile("assets/octahedron.obj")[1]
-local dodeca = honey.mesh.loadFile("assets/dodecahedron.obj")[1]
-local icosa = honey.mesh.loadFile("assets/icosahedron.obj")[1]
-
-
-- close window on ESCAPE key
window:setKeyCallback(function(_, key, scancode, action)
if action == glfw.PRESS then
@@ -82,14 +67,39 @@ sdb:addSystem{
update = function(self, dt)
local entities = self.db:queryComponent("renderMesh")
for entity, tbl in pairs(entities) do
- tbl.shader:use()
- tbl.shader:configure{matrix={
- view=camera.view,
- projection=camera.projection,
- model=Mat4():identity(),
- }}
+ -- get shader
+ local shader = honey.shader.loadShader(tbl.shader.vertex, tbl.shader.fragment)
+ shader:use()
+
+ -- bind textures
+ local texOffset = 0
+ for name, texTbl in pairs(tbl.textures) do
+ local texture = honey.image.loadImage(texTbl.filename, texTbl.params)
+ gl.BindTexture(gl.TEXTURE_2D + texOffset, texture.texture)
+ shader:setInt(name, texOffset)
+ texOffset = texOffset + 1
+ end
+
+ -- configure default uniforms
+ shader:configure{
+ float={
+ time=glfw.GetTime(),
+ },
+ matrix={
+ view=camera.view,
+ projection=camera.projection,
+ model=Mat4():identity(),
+ },
+ }
+
+ -- draw mesh
local mesh = honey.mesh.loadMesh(tbl.mesh.filename, tbl.mesh.index)
mesh:drawElements()
+
+ -- unbind textures
+ for i=0,texOffset-1 do
+ gl.BindTexture(gl.TEXTURE_2D + i, 0)
+ end
end
end,
db = edb,
@@ -99,7 +109,10 @@ sdb:addSystem{
local id = edb:createEntity()
edb:addComponent(id, "renderMesh", {
- shader = shader,
+ textures = {
+ ourTexture={ filename="77155.png" },
+ },
+ shader = { vertex="vertex.glsl", fragment="fragment.glsl" },
mesh = { filename="assets/icosahedron.obj", index=1 },
})