Removed prints, linted project and removed locals

scene_screenshot_buffer.lua

@@ -1,83 +1,80 @@
 -- Toyota 2JZ-GTE Engine model by Serhii Denysenko (CGTrader: serhiidenysenko8256)
 -- URL : https://www.cgtrader.com/3d-models/vehicle/part/toyota-2jz-gte-engine-2932b715-2f42-4ecd-93ce-df9507c67ce8
-
 hg = require("harfang")
 hg.InputInit()
 hg.WindowSystemInit()
 
-local res_x, res_y, tex_size = 1024, 1024, 1024
+res_x, res_y, tex_size = 1024, 1024, 1024
 win = hg.RenderInit('Frame Buffer Screenshot', res_x, res_y, hg.RF_VSync | hg.RF_MSAA4X)
 
---Link precompiled assets folder to the project
+-- Link precompiled assets folder to the project
 hg.AddAssetsFolder("resources_compiled")
 
---Create Pipeline
+-- Create Pipeline
 pipeline = hg.CreateForwardPipeline()
-local res = hg.PipelineResources()
+res = hg.PipelineResources()
 
---Create a 1024*1024 frame buffer to draw the scene to
-local frame_buffer = hg.CreateFrameBuffer(tex_size, tex_size, hg.TF_RGBA8, hg.TF_D24, 4, 'framebuffer')
-local tex_color = hg.GetColorTexture(frame_buffer)
+-- Create a 1024*1024 frame buffer to draw the scene to
+frame_buffer = hg.CreateFrameBuffer(tex_size, tex_size, hg.TF_RGBA8, hg.TF_D24, 4, 'framebuffer')
+tex_color = hg.GetColorTexture(frame_buffer)
 
---Prepare screenshot requirements
-local tex_color_ref = res:AddTexture("tex_rb", tex_color)
-local tex_readback = hg.CreateTexture(tex_size, tex_size, "readback", hg.TF_ReadBack | hg.TF_BlitDestination, hg.TF_RGBA8)
-local picture = hg.Picture(tex_size, tex_size, hg.PF_RGBA32)
+-- Prepare screenshot requirements
+tex_color_ref = res:AddTexture("tex_rb", tex_color)
+tex_readback = hg.CreateTexture(tex_size, tex_size, "readback", hg.TF_ReadBack | hg.TF_BlitDestination, hg.TF_RGBA8)
+picture = hg.Picture(tex_size, tex_size, hg.PF_RGBA32)
 
---Load scene
+-- Load scene
 scene = hg.Scene()
 ret = hg.LoadSceneFromAssets("car_engine/engine.scn", scene, res, hg.GetForwardPipelineInfo())
 
---Create the plane model
+-- Create the plane model
 vtx_layout = hg.VertexLayoutPosFloatTexCoord0UInt8()
 plane_mdl = hg.CreatePlaneModel(vtx_layout, 1, 1, 1, 1)
 plane_ref = res:AddModel('plane', plane_mdl)
 
---Prepare the plane shader program
+-- Prepare the plane shader program
 plane_prg = hg.LoadProgramFromAssets('shaders/texture')
 
---Main Loop 
-local frame = 0
-local view_id = 0
-local state = "none"
+-- Main Loop 
+frame = 0
+state = "none"
 
 while not hg.ReadKeyboard():Key(hg.K_Escape) and hg.IsWindowOpen(win) do
-	dt = hg.TickClock()
+    dt = hg.TickClock()
+
+    view_id = 0
+    view_id = hg.SubmitSceneToPipeline(view_id, scene, hg.IntRect(0, 0, res_x, res_y), true, pipeline, res,
+        frame_buffer.handle)
 
-    --Change state to capture when user press Space and Capture is not already running
-    if(hg.ReadKeyboard():Key(hg.K_Space) and state == "none") then
+    -- Change state to capture when user press Space and Capture is not already running
+    if (hg.ReadKeyboard():Key(hg.K_Space) and state == "none") then
         state = "capture"
         frame_count_capture, view_id = hg.CaptureTexture(view_id, res, tex_color_ref, tex_readback, picture)
-        print(frame_count_capture, frame) 
 
-    --Take screenshot if CaptureTexture is ready and user pressed space
-    elseif(state == "capture" and frame_count_capture <= frame) then
-        local png_filename = "screenshots/" .. ".png"
+        -- Take screenshot if CaptureTexture is ready and user pressed space
+    elseif (state == "capture" and frame_count_capture <= frame) then
+        png_filename = "screenshots/" .. ".png"
         hg.SavePNG(picture, png_filename)
-        state = "none" --Reset state to none to be able to screenshot again
+        state = "none" -- Reset state to none to be able to screenshot again
     end
 
-    --Update Scene and render to the frameBuffer
-	scene:Update(dt)
+    -- Update Scene and render to the frameBuffer
+    scene:Update(dt)
+
+    -- Draw a plabe using the texture the scene was rendered to
+    hg.SetViewPerspective(view_id, 0, 0, res_x, res_y, hg.TranslationMat4(hg.Vec3(0, 0, -1.8)))
+
+    val_uniforms = {hg.MakeUniformSetValue('color', hg.Vec4(1, 1, 1, 1))}
+    tex_uniforms = {hg.MakeUniformSetTexture('s_tex', tex_color, 0)}
+
+    hg.DrawModel(view_id, plane_mdl, plane_prg, val_uniforms, tex_uniforms,
+        hg.TransformationMat4(hg.Vec3(0, 0, 0), hg.Vec3(math.pi / 2, 0, math.pi)))
 
-    view_id = 0
-	view_id = hg.SubmitSceneToPipeline(view_id, scene, hg.IntRect(0, 0, res_x, res_y), true, pipeline, res, frame_buffer.handle)
-
-    --Draw a plabe using the texture the scene was rendered to
-	hg.SetViewPerspective(view_id, 0, 0, res_x, res_y, hg.TranslationMat4(hg.Vec3(0, 0, -1.8)))
-
-	val_uniforms = {hg.MakeUniformSetValue('color', hg.Vec4(1, 1, 1, 1))} 
-	tex_uniforms = {hg.MakeUniformSetTexture('s_tex', tex_color, 0)}
-
-	hg.DrawModel(view_id, plane_mdl, plane_prg, val_uniforms, tex_uniforms, hg.TransformationMat4(hg.Vec3(0, 0, 0), hg.Vec3(math.pi / 2, 0, math.pi)))
-
     --
-	frame = hg.Frame()
-	hg.UpdateWindow(win)
+    frame = hg.Frame()
+    hg.UpdateWindow(win)
 end
 
 hg.RenderShutdown()
 hg.DestroyWindow(win)
 
-
-