Add models_waving_cubes example.

examples/models_waving_cubes.lua

@@ -0,0 +1,69 @@
+--[[
+  Contributed by Codecat (@codecat)
+  Reviewed by Ramon Santamaria (@raysan5)
+
+  Modified by Teddy Astie (@TSnake41) for Lua binding.
+]]
+
+local width, height = 800, 450
+
+rl.SetConfigFlags(rl.FLAG_VSYNC_HINT)
+
+rl.InitWindow(width, height, "raylib [models] example - waving cubes")
+
+local camera = rl.new("Camera3D", {
+  position = { 30, 20, 30 },
+  target = { 0, 0, 0 },
+  up = { 0, 1, 0 },
+  fovy = 70,
+  type = rl.CAMERA_PERSPECTIVE
+})
+
+local num_blocks = 15
+
+while not rl.WindowShouldClose() do
+  local time = rl.GetTime()
+
+  local scale = (2.0 + math.sin(time)) * 0.7
+  local camera_time = time * 0.3
+
+  camera.position.x = math.cos(camera_time) * 40.0
+  camera.position.z = math.sin(camera_time) * 40.0
+
+  rl.BeginDrawing()
+  rl.ClearBackground(rl.RAYWHITE)
+
+  rl.BeginMode3D(camera)
+  rl.DrawGrid(10, 5.0)
+
+  for x=0,num_blocks-1 do
+    for y=0,num_blocks-1 do
+      for z=0,num_blocks-1 do
+        local block_scale = (x + y + z) / 30
+        local scatter = math.sin(block_scale * 20.0 + time * 4.0)
+
+        local cube_pos = rl.new("Vector3",
+          (x - num_blocks / 2) * (scale * 3.0) + scatter,
+          (y - num_blocks / 2) * (scale * 2.0) + scatter,
+          (z - num_blocks / 2) * (scale * 3.0) + scatter)
+
+        local cube_color = rl.ColorFromHSV(
+          rl.new("Vector3",
+            (((x + y + z) * 18) % 360), 0.75, 0.9
+          )
+        )
+
+        local cube_size = (2.4 - scale) * block_scale
+
+        rl.DrawCube(cube_pos, cube_size, cube_size, cube_size, cube_color)
+      end
+    end
+  end
+
+  rl.EndMode3D()
+  rl.DrawFPS(10, 10)
+
+  rl.EndDrawing()
+end
+
+rl.CloseWindow()