Test sprite rotation, add overworld collisions

src/npc/goddess/GameJam_DevilCapricorn_WalkBehind.png.import

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src/npc/goddess/GameJam_DevilCapricorn_WalkForward.png.import

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src/npc/goddess/GameJam_DevilCapricorn_WalkSide.png.import

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src/npc/goddess/GameJam_DevilCapricorn_WalkSideLeft.png.import

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src/npc/goddess/Goddess.cs

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+using Chickensoft.AutoInject;
+using Chickensoft.Introspection;
+using GameJamDungeon;
+using Godot;
+using System;
+
+[Meta(typeof(IAutoNode))]
+public partial class Goddess : Node3D
+{
+  public override void _Notification(int what) => this.Notify(what);
+
+  [Dependency]
+  public IGameRepo GameRepo => this.DependOn<IGameRepo>();
+
+  [Export]
+  public Godot.Collections.Array<Texture2D> Sprites { get; set; } = default!;
+
+  [Node] public Sprite3D Sprite { get; set; } = default!;
+
+  public void OnReady()
+  {
+    SetPhysicsProcess(true);
+  }
+
+  public override void _Process(double delta)
+  {
+    var cameraPosition = new Vector2(GameRepo.PlayerGlobalPosition.Value.X, GameRepo.PlayerGlobalPosition.Value.Z).Normalized();
+    var facing = Vector2.Up;
+    var angle = facing.AngleTo(cameraPosition);
+
+    var cameraAngle = (int)Mathf.Floor((angle + Mathf.Pi / 8) / (Mathf.Pi / 4));
+    cameraAngle = (cameraAngle + 4) % 4;
+
+    Sprite.Texture = Sprites[cameraAngle];
+  }
+}

src/npc/goddess/Goddess.tres

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+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://wqh1m4j0n64m"]
+
+[ext_resource type="Shader" path="res://src/npc/goddess/SpriteMelt.gdshader" id="1_k3mvs"]
+
+[resource]
+shader = ExtResource("1_k3mvs")
+shader_parameter/progress = 0.0
+shader_parameter/meltiness = 1.0

src/npc/goddess/Goddess.tscn

@@ -1,10 +1,18 @@
-[gd_scene load_steps=2 format=3 uid="uid://d4l4qutp8x40c"]
+[gd_scene load_steps=7 format=3 uid="uid://d4l4qutp8x40c"]
 
+[ext_resource type="Script" path="res://src/npc/goddess/Goddess.cs" id="1_4cyto"]
 [ext_resource type="Texture2D" uid="uid://bhiyrdo2jk1qg" path="res://src/npc/goddess/goddess.png" id="1_uay1m"]
+[ext_resource type="Texture2D" uid="uid://cnbdf5rnmss0c" path="res://src/npc/goddess/GameJam_DevilCapricorn_WalkBehind.png" id="2_d6er1"]
+[ext_resource type="Texture2D" uid="uid://dg22b8xckfhfx" path="res://src/npc/goddess/GameJam_DevilCapricorn_WalkForward.png" id="2_twumu"]
+[ext_resource type="Texture2D" uid="uid://xu8t0sly6ju7" path="res://src/npc/goddess/GameJam_DevilCapricorn_WalkSideLeft.png" id="3_tds5k"]
+[ext_resource type="Texture2D" uid="uid://b7aj0ii438hho" path="res://src/npc/goddess/GameJam_DevilCapricorn_WalkSide.png" id="4_6kg8t"]
 
 [node name="Goddess" type="Node3D"]
+script = ExtResource("1_4cyto")
+Sprites = Array[Texture2D]([ExtResource("2_d6er1"), ExtResource("3_tds5k"), ExtResource("2_twumu"), ExtResource("4_6kg8t")])
 
-[node name="Sprite3D" type="Sprite3D" parent="."]
+[node name="Sprite" type="Sprite3D" parent="."]
+unique_name_in_owner = true
 transform = Transform3D(1.25, 0, 0, 0, 1.25, 0, 0, 0, 1.25, 0, 0, 0)
 gi_mode = 0
 billboard = 2

src/npc/goddess/SpriteMelt.gdshader

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+shader_type spatial;
+
+render_mode blend_mix,depth_draw_opaque,cull_back,diffuse_burley,specular_schlick_ggx,unshaded;
+
+uniform vec4 albedo : source_color = vec4(1.0,1.0,1.0,1.0);
+
+uniform sampler2D sprite_sheet : source_color;
+
+/// the count of v_frames, used for the directions
+uniform int directions_count = 1;
+/// the count of h_frames, used for the animations
+uniform int frames_count = 1;
+/// the current h_frame
+uniform int frame = 1;
+/// the angle around vertical axis; the resulting direction looks to (cos y_angle, 0, -sin y_angle)
+uniform float y_angle = 0.0;
+
+/// this parameter below specifies which angle is the first frame pointed to.
+/// example: if your character has the first frame turned toward north, the starting angle should be pi/2, if it looks to east it can be let to 0.0
+uniform float starting_angle = 0.0;
+
+/// this option specify if the direction changes along the vertical axis (default, false) or use the horizontal one instead (true)
+uniform bool directions_on_horizontal_axis = false;
+/// if you have drawn the sprite sheet so as to make the object rotate clockwise instead of counter-clockwise, set this parameter below true
+uniform bool clockwise = false;
+
+void vertex() {
+	MODELVIEW_MATRIX = VIEW_MATRIX * mat4(INV_VIEW_MATRIX[0],INV_VIEW_MATRIX[1],INV_VIEW_MATRIX[2],MODEL_MATRIX[3]);
+}
+void fragment() {
+	//euler angle around the vertical axis
+	float vert_axis_angle = atan(-VIEW_MATRIX[0][2]/VIEW_MATRIX[2][2]) + (VIEW_MATRIX[0][0] < 0.0?PI:0.0);
+	//difference
+	vert_axis_angle += y_angle - starting_angle;
+	//pinning
+	vert_axis_angle += PI / float(directions_count);
+	float direction = floor(vert_axis_angle * float(directions_count) / TAU);
+	if (clockwise) direction = 1.0 - direction;
+	float uv_y = direction / float(directions_count);
+	//texture UV
+	vec2 texture_uv = directions_on_horizontal_axis?
+	vec2(
+		(UV.x / float(directions_count)) + uv_y,
+		(UV.y + float(frame))/float(frames_count)
+	):
+	vec2(
+		(UV.x + float(frame))/float(frames_count),
+		(UV.y / float(directions_count)) + uv_y
+	);
+	vec4 albedo_tex = texture(sprite_sheet,texture_uv);
+	//albedo
+	ALBEDO = albedo.rgb * albedo_tex.rgb;
+	ALPHA = albedo.a * albedo_tex.a;
+}
+/************************ FOR GODOT 3 ***************************
+
+shader_type spatial;
+
+render_mode blend_mix,depth_draw_opaque,cull_back,diffuse_burley,specular_schlick_ggx,unshaded;
+
+uniform vec4 albedo: hint_color = vec4(1.0,1.0,1.0,1.0);
+
+uniform sampler2D sprite_sheet : hint_albedo;
+
+/// the count of v_frames, used for the directions
+uniform int directions_count = 1;
+/// the count of h_frames, used for the animations
+uniform int frames_count = 1;
+/// the current h_frame
+uniform int frame = 1;
+/// the angle around vertical axis; the resulting direction looks to (cos y_angle, 0, -sin y_angle)
+uniform float y_angle = 0.0;
+
+/// this parameter below specifies which angle is the first frame pointed to.
+/// example: if your character has the first frame turned toward north, the starting angle should be pi/2,
+///if it looks to east it can be let to 0.0
+uniform float starting_angle = 0.0;
+
+/// this option specify if the direction changes along the vertical axis (default, false) or use the horizontal one instead (true)
+uniform bool directions_on_horizontal_axis = false;
+/// if you have drawn the sprite sheet so as to make the object rotate clockwise instead of counter-clockwise, set this parameter below true
+uniform bool clockwise = false;
+
+void vertex() {
+	MODELVIEW_MATRIX = INV_CAMERA_MATRIX * mat4(CAMERA_MATRIX[0],CAMERA_MATRIX[1],CAMERA_MATRIX[2],WORLD_MATRIX[3]);
+}
+
+void fragment() {
+	//euler angle around the vertical axis
+	float vert_axis_angle = atan(CAMERA_MATRIX[0][2]/CAMERA_MATRIX[0][0]) + (CAMERA_MATRIX[0][0] < 0.0?3.141593:0.0);
+	//difference
+	vert_axis_angle += y_angle - starting_angle;
+	//pinning
+	vert_axis_angle += 3.141593 / float(directions_count);
+	float direction = floor(vert_axis_angle * float(directions_count) / 6.283185);
+	if (clockwise) direction = 1.0 - direction;
+	float uv_y = direction / float(directions_count);
+	//texture UV
+	vec2 texture_uv = directions_on_horizontal_axis?
+	vec2(
+		(UV.x / float(directions_count)) + uv_y,
+		(UV.y + float(frame))/float(frames_count)
+	):
+	vec2(
+		(UV.x + float(frame))/float(frames_count),
+		(UV.y / float(directions_count)) + uv_y
+	);
+	vec4 albedo_tex = texture(sprite_sheet,texture_uv);
+	//albedo
+	ALBEDO = albedo.rgb * albedo_tex.rgb;
+	ALPHA = albedo.a * albedo_tex.a;
+}
+
+****************************************************************/

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