Add data textures for trail preview in Defold IDE.

demo/assets/graphics/demo.texture_profiles

@@ -0,0 +1,35 @@
+path_settings {
+  path: "/hyper_trails/textures/data/**"
+  profile: "No Prem. Alpha"
+}
+path_settings {
+  path: "**"
+  profile: "Default"
+}
+profiles {
+  name: "Default"
+  platforms {
+    os: OS_ID_GENERIC
+    formats {
+      format: TEXTURE_FORMAT_RGBA
+      compression_level: BEST
+      compression_type: COMPRESSION_TYPE_DEFAULT
+    }
+    mipmaps: true
+    max_texture_size: 0
+    premultiply_alpha: true
+  }
+}
+profiles {
+  name: "No Prem. Alpha"
+  platforms {
+    os: OS_ID_GENERIC
+    formats {
+      format: TEXTURE_FORMAT_RGBA
+      compression_level: BEST
+      compression_type: COMPRESSION_TYPE_DEFAULT
+    }
+    mipmaps: false
+    premultiply_alpha: false
+  }
+}

demo/data_texture_preview.collection

@@ -0,0 +1,209 @@
+name: "default"
+scale_along_z: 0
+embedded_instances {
+  id: "main"
+  data: "components {\n"
+  "  id: \"main\"\n"
+  "  component: \"/demo/main.script\"\n"
+  "  position {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  "embedded_components {\n"
+  "  id: \"bg\"\n"
+  "  type: \"sprite\"\n"
+  "  data: \"tile_set: \\\"/demo/assets/atlases/main.atlas\\\"\\n"
+  "default_animation: \\\"background\\\"\\n"
+  "material: \\\"/builtins/materials/sprite.material\\\"\\n"
+  "blend_mode: BLEND_MODE_ALPHA\\n"
+  "\"\n"
+  "  position {\n"
+  "    x: 480.0\n"
+  "    y: 270.0\n"
+  "    z: -0.5\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  "embedded_components {\n"
+  "  id: \"text\"\n"
+  "  type: \"label\"\n"
+  "  data: \"size {\\n"
+  "  x: 128.0\\n"
+  "  y: 32.0\\n"
+  "  z: 0.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "scale {\\n"
+  "  x: 1.0\\n"
+  "  y: 1.0\\n"
+  "  z: 1.0\\n"
+  "  w: 0.0\\n"
+  "}\\n"
+  "color {\\n"
+  "  x: 1.0\\n"
+  "  y: 1.0\\n"
+  "  z: 1.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "outline {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.4\\n"
+  "  z: 0.8\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "shadow {\\n"
+  "  x: 0.0\\n"
+  "  y: 0.0\\n"
+  "  z: 0.0\\n"
+  "  w: 1.0\\n"
+  "}\\n"
+  "leading: 1.0\\n"
+  "tracking: 0.0\\n"
+  "pivot: PIVOT_CENTER\\n"
+  "blend_mode: BLEND_MODE_ALPHA\\n"
+  "line_break: false\\n"
+  "text: \\\"Not for the demo.\\\\n"
+  "\\\"\\n"
+  "  \\\"Used to save preview texture.\\\\n"
+  "\\\"\\n"
+  "  \\\"\\\"\\n"
+  "font: \\\"/demo/assets/fonts/vera_small.font\\\"\\n"
+  "material: \\\"/builtins/fonts/label.material\\\"\\n"
+  "\"\n"
+  "  position {\n"
+  "    x: 480.0\n"
+  "    y: 396.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  ""
+  position {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+  }
+  rotation {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+    w: 1.0
+  }
+  scale3 {
+    x: 1.0
+    y: 1.0
+    z: 1.0
+  }
+}
+embedded_instances {
+  id: "object"
+  data: "components {\n"
+  "  id: \"trail_maker\"\n"
+  "  component: \"/hyper_trails/trail_maker.script\"\n"
+  "  position {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "  properties {\n"
+  "    id: \"segment_length_max\"\n"
+  "    value: \"6.0\"\n"
+  "    type: PROPERTY_TYPE_NUMBER\n"
+  "  }\n"
+  "  properties {\n"
+  "    id: \"segment_length_min\"\n"
+  "    value: \"6.0\"\n"
+  "    type: PROPERTY_TYPE_NUMBER\n"
+  "  }\n"
+  "  properties {\n"
+  "    id: \"fade_tail_alpha\"\n"
+  "    value: \"12.0\"\n"
+  "    type: PROPERTY_TYPE_NUMBER\n"
+  "  }\n"
+  "  properties {\n"
+  "    id: \"shrink_tail_width\"\n"
+  "    value: \"true\"\n"
+  "    type: PROPERTY_TYPE_BOOLEAN\n"
+  "  }\n"
+  "}\n"
+  "components {\n"
+  "  id: \"data_texture_preview\"\n"
+  "  component: \"/demo/data_texture_preview.script\"\n"
+  "  position {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  "embedded_components {\n"
+  "  id: \"trail_model\"\n"
+  "  type: \"model\"\n"
+  "  data: \"mesh: \\\"/hyper_trails/models/trail_16.dae\\\"\\n"
+  "material: \\\"/hyper_trails/materials/trail.material\\\"\\n"
+  "textures: \\\"/hyper_trails/textures/data/texture0_1.png\\\"\\n"
+  "textures: \\\"/hyper_trails/textures/white.png\\\"\\n"
+  "skeleton: \\\"\\\"\\n"
+  "animations: \\\"\\\"\\n"
+  "default_animation: \\\"\\\"\\n"
+  "name: \\\"unnamed\\\"\\n"
+  "\"\n"
+  "  position {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  ""
+  position {
+    x: 379.0
+    y: 270.0
+    z: 0.0
+  }
+  rotation {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+    w: 1.0
+  }
+  scale3 {
+    x: 1.0
+    y: 1.0
+    z: 1.0
+  }
+}

demo/data_texture_preview.script

@@ -0,0 +1,30 @@
+
+go.property("_position", vmath.vector3())
+
+local function update_pos(self)
+	go.set_position(self._position)
+end
+
+function init(self)
+	msg.post(".", "acquire_input_focus")
+
+	self._position = go.get_position()
+
+	local w2 = sys.get_config("display.width") / 2
+	go.animate("#data_texture_preview", "_position.x", go.PLAYBACK_ONCE_FORWARD, w2, go.EASING_LINEAR, 1)
+
+	update_pos(self)
+end
+
+function final(self)
+end
+
+function update(self, dt)
+	update_pos(self)
+end
+
+function on_input(self, action_id, action)
+	if action_id == hash("write") and action.pressed then
+		write_texture = true
+	end
+end

demo/demo_main.collection

@@ -515,7 +515,7 @@ embedded_instances {
   "  position {\n"
   "    x: 0.0\n"
   "    y: 0.0\n"
-  "    z: 0.0\n"
+  "    z: -0.1\n"
   "  }\n"
   "  rotation {\n"
   "    x: 0.0\n"
@@ -624,7 +624,7 @@ embedded_instances {
   "  position {\n"
   "    x: 0.0\n"
   "    y: 0.0\n"
-  "    z: 0.0\n"
+  "    z: -0.1\n"
   "  }\n"
   "  rotation {\n"
   "    x: 0.0\n"
@@ -789,7 +789,7 @@ embedded_instances {
   "  position {\n"
   "    x: 0.0\n"
   "    y: 0.0\n"
-  "    z: 0.0\n"
+  "    z: -0.1\n"
   "  }\n"
   "  rotation {\n"
   "    x: 0.0\n"
@@ -944,7 +944,7 @@ embedded_instances {
   "  position {\n"
   "    x: 0.0\n"
   "    y: 0.0\n"
-  "    z: 0.0\n"
+  "    z: -0.1\n"
   "  }\n"
   "  rotation {\n"
   "    x: 0.0\n"
@@ -1048,7 +1048,7 @@ embedded_instances {
   "  position {\n"
   "    x: 0.0\n"
   "    y: 0.0\n"
-  "    z: 0.0\n"
+  "    z: -0.1\n"
   "  }\n"
   "  rotation {\n"
   "    x: 0.0\n"

demo/input/game.input_binding

@@ -18,6 +18,10 @@ key_trigger {
   input: KEY_RIGHT
   action: "right"
 }
+key_trigger {
+  input: KEY_F10
+  action: "write"
+}
 mouse_trigger {
   input: MOUSE_BUTTON_1
   action: "click"

game.project

@@ -12,6 +12,7 @@ high_dpi = 1
 [project]
 title = hyper_trails
 version = 1.0
+dependencies = https://github.com/britzl/defold-png/archive/1.2.1.zip
 
 [library]
 include_dirs = hyper_trails
@@ -23,3 +24,6 @@ game_binding = /demo/input/game.input_bindingc
 scale = 0.01
 gravity_y = -300.0
 
+[graphics]
+texture_profiles = /demo/assets/graphics/demo.texture_profiles
+

hyper_trails/materials/trail.material

@@ -27,7 +27,7 @@ vertex_constants {
   name: "uv_opts"
   type: CONSTANT_TYPE_USER
   value {
-    x: 0.0
+    x: 1.0
     y: 0.0
     z: 1.0
     w: 0.0

hyper_trails/trail_maker.lua

@@ -287,8 +287,30 @@ end
 
 function M.update_texture(self)
 	resource.set_texture(self._resource_path, self._tex_header, self._tex_buffer)
+
+	-- DO NOT REMOVE
+	-- if write_texture then
+	-- 	print("Write data.png")
+	-- 	local rgba = buffer.get_bytes(self._tex_buffer, hash("rgba"))
+	-- 	local bytes = png.encode_rgba(rgba, self._tex_w, self._tex_h)
+	-- 	local f = io.open("hyper_trails/textures/data/texture.png", "wb")
+	-- 	f:write(bytes)
+	-- 	f:flush()
+	-- 	f:close()
+	-- 	-- + flip vertical!
+	-- 	write_texture = false
+	-- end
+end
+
+function on_input(self, action_id, action)
+	if action_id == hash("profile") and action.pressed then
+		msg.post("@system:", "toggle_profile")
+	elseif action_id == hash("physics") and action.pressed then
+		msg.post("@system:", "toggle_physics_debug")
+	end
 end
 
+
 function M.update_uv_opts(self)
 	if self.texture_tiling then
 		model.set_constant(self.trail_model_url, "uv_opts", vmath.vector4(1, 0, 1, 0))