From e767e1ff9d81f8a76196caab91d9b6b4bbe0b30e Mon Sep 17 00:00:00 2001
From: sanine-a <sanine.not@pm.me>
Date: Thu, 3 Dec 2020 02:10:32 -0600
Subject: rewrite demo

---
 demo/main.lua | 100 ++++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 84 insertions(+), 16 deletions(-)

(limited to 'demo/main.lua')

diff --git a/demo/main.lua b/demo/main.lua
index ec0bac1..3382d8d 100644
--- a/demo/main.lua
+++ b/demo/main.lua
@@ -1,22 +1,90 @@
-local root = honey.node(nil,
-			honey.glm.vec3{0,0,0},
-			honey.glm.vec3{0,0,0},
-			honey.glm.vec3{1,1,1})
+local FPSCamera = require('FPSCamera')
+local SpatialShader = require('SpatialShader')
+local ScreenQuad = require('ScreenQuad')
+local MeshInstance = require('MeshInstance')
+FPSCamera.movement_speed = 5
 
-local child = honey.node(root,
-			 honey.glm.vec3{0,0,0},
-			 honey.glm.vec3{0,0,0},
-			 honey.glm.vec3{1,1,1})
+honey.input.key.bind(honey.input.key.escape, honey.exit)
 
-local v = honey.glm.vec3{1, 2, 3}
+local buffer = false
+honey.input.key.bind(honey.input.key.f, function(action) if action == 1 then buffer = not buffer end end)
 
-local M = honey.glm.mat4()
-M:set(1,3, 1)
+local tex = honey.texture.new()
+honey.texture.load(tex, 'checkerboard.png', false)
 
-print(M:mul(M))
+local sceneRoot = honey.node(nil,
+			     honey.glm.vec3(),
+			     honey.glm.vec3(),
+			     honey.glm.vec3{1,1,1})
 
-print(v)
-print(honey.glm.vec3{2, 0.001, 0})
-print(honey.glm.vec4{100, 0, 0, 20.44})
+local shader = SpatialShader.new(tex)
+local lightDirection = honey.glm.vec3{1,1,1}
+lightDirection:normalize()
+shader:setVec3('directional_lights[0].direction', lightDirection)
+shader:setVec3('directional_lights[0].color', honey.glm.vec3{0,1,0})
+local meshes = honey.mesh.load('Suzanne.obj')
+local suzanne = MeshInstance.new(sceneRoot,
+                                 honey.glm.vec3{0,0,3},
+                                 honey.glm.vec3{0,math.pi,0},
+                                 honey.glm.vec3{0.5,1,0.5},
+                                 meshes[1],
+                                 shader)
+local plane = MeshInstance.new(suzanne,
+                               honey.glm.vec3{1,0,0},
+                               honey.glm.vec3{0,0,0},
+                               honey.glm.vec3{1,1,1},
+                               honey.primitives.plane(4,4),
+                               shader)
+local plane2 = MeshInstance.new(suzanne,
+                                honey.glm.vec3{5,0,0},
+                                honey.glm.vec3{0,math.pi,0},
+                                honey.glm.vec3{1,1,1},
+                                honey.primitives.plane(4,4),
+                                shader)
 
-v.dot(v, v)
+suzanne.update = function(self, dt)
+   self:rotate('y', dt)
+end
+
+local total_frames = 0
+local total_time = 0
+
+honey.window.set_size(640, 480)
+
+function honey.update(dt)
+   total_time = total_time + dt
+   FPSCamera:update(dt)
+   sceneRoot:updateCascade(dt)
+   if total_time > 1 then
+      print('FPS: '..tostring(total_frames/total_time))
+      total_time = 0
+      total_frames = 0
+   end
+end
+
+function draw_suzanne()
+   sceneRoot:drawCascade(FPSCamera)
+end
+
+function honey.draw()
+   total_frames = total_frames + 1
+
+   if buffer then
+      honey.set_framebuffer(ScreenQuad.fb)
+      honey.set_viewport_size(480,640)
+      honey.clear_color(honey.glm.vec4(), true, true, false)
+      honey.enable_depth_test(true)
+      draw_suzanne()
+      
+      honey.set_framebuffer(0)
+      honey.set_viewport_size(640, 480)
+      honey.enable_depth_test(false)
+      honey.clear_color(honey.glm.vec4{0,0,1,1}, true, false, false)
+      ScreenQuad:draw()
+   else
+      honey.clear_color(honey.glm.vec4{1,1,0,1}, true, true, false)
+      honey.set_viewport_size(640, 480)
+      honey.enable_depth_test(true)
+      draw_suzanne()
+   end
+end
-- 
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