aabb drawing for debug

data/scripts/game.lua

@@ -2,12 +2,12 @@ util = require "util"
 local player = require "classes.player"
 local Vector3 = require "types.vector3"
 local List = require "types.list"
--- local AABB = require "types.aabb"
+local AABB = require "types.aabb"
 
--- local test_aabb = AABB.new(
+local test_aabb = AABB.new(
---   Vector3(-1, -1, -1),
+  Vector3(-1, -1, -1),
---   Vector3(1, 1, 1)
+  Vector3(1, 2, 1)
--- )
+)
 
 local Obj = require "classes.obj"
 
@@ -91,12 +91,12 @@ function game_tick()
     texture = "images/measure001a.png",
     texture_region = { x = 0, y = 0, w = 512, h = 512 },
   }
-  draw_quad(util.merge(q, params))
+  -- draw_quad(util.merge(q, params))
   cube.position.y = math.sin(ctx.frame_number * 0.05)
   -- cube.position.z = math.cos(ctx.frame_number * 0.01)
   cube.rotation.x = cube.rotation.x + 0.01
   cube.rotation.z = cube.rotation.z + 0.01
   cube:draw()
   
-  -- test_aabb:draw()
+  test_aabb:draw()
 end

data/scripts/types/aabb.lua

@@ -6,6 +6,13 @@ local AABB = {
   max = Vector3(),
 }
 
+local RED = {
+  r = 255,
+  g = 0,
+  b = 0,
+  a = 255,
+}
+
 setmetatable(AABB, AABB)
 
 AABB.__index = AABB
@@ -29,10 +36,29 @@ function AABB:draw()
   draw_line_3d{start = self.min, finish = Vector3(self.max.x, self.min.y, self.min.z)}
   draw_line_3d{start = self.min, finish = Vector3(self.min.x, self.min.y, self.max.z)}
   draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.min.y, self.max.z)}
+  draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.max.x, self.min.y, self.min.z)}
+  -- bottom rectangle diagonal
+  draw_line_3d{start = self.min, finish = Vector3(self.max.x, self.min.y, self.max.z), color = RED}
+  -- top rectangle
+  draw_line_3d{start = Vector3(self.min.x, self.max.y, self.min.z), finish = Vector3(self.max.x, self.max.y, self.min.z)}
+  draw_line_3d{start = Vector3(self.min.x, self.max.y, self.min.z), finish = Vector3(self.min.x, self.max.y, self.max.z)}
+  draw_line_3d{start = Vector3(self.max.x, self.max.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.max.z)}
+  draw_line_3d{start = Vector3(self.max.x, self.max.y, self.max.z), finish = Vector3(self.max.x, self.max.y, self.min.z)}
+  -- top rectangle diagonal
+  draw_line_3d{start = Vector3(self.max.x, self.max.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.min.z), color = RED}
+  -- hull
+  draw_line_3d{start = self.min, finish = Vector3(self.min.x, self.max.y, self.min.z)}
+  draw_line_3d{start = self.min, finish = Vector3(self.max.x, self.max.y, self.min.z), color = RED}
+  
+  draw_line_3d{start = Vector3(self.max.x, self.min.y, self.min.z), finish = Vector3(self.max.x, self.max.y, self.min.z)}
+  draw_line_3d{start = Vector3(self.max.x, self.min.y, self.min.z), finish = Vector3(self.max.x, self.max.y, self.max.z), color = RED}
+  
+  draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.max.x, self.max.y, self.max.z)}
+  draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.max.z), color = RED}
+
+  draw_line_3d{start = Vector3(self.min.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.max.z)}
+  draw_line_3d{start = Vector3(self.min.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.min.z), color = RED}
 
-  -- draw_line_3d{start = self.min, finish = Vector3(self.max.x, self.min.y, self.min.z)}
-  -- draw_line_3d{start = self.min, finish = Vector3(self.min.x, self.max.y, self.min.z)}
-  -- draw_line_3d{start = self.min, finish = Vector3(self.min.x, self.min.y, self.max.z)}
 end
 
 return AABB