墙后透视效果

render/material/character.tres

@@ -1,10 +1,8 @@
 [gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://c8r7kifl8faqr"]
 
-[ext_resource type="Shader" path="res://render/shader/character.gdshader" id="1_ja5hr"]
+[ext_resource type="Shader" path="res://render/shader/character_silhouette.gdshader" id="2_camhu"]
 
 [resource]
 render_priority = 0
-shader = ExtResource("1_ja5hr")
+shader = ExtResource("2_camhu")
-shader_parameter/flash_white = null
+shader_parameter/color = null
-shader_parameter/deformation_dir = Vector2(1, 0)
-shader_parameter/deformation_rate = 0.0

render/material/character_sub.tres

@@ -0,0 +1,10 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://s5gf3b66luh8"]
+
+[ext_resource type="Shader" path="res://render/shader/character.gdshader" id="1_1ay5b"]
+
+[resource]
+render_priority = 1
+shader = ExtResource("1_1ay5b")
+shader_parameter/flash_white = null
+shader_parameter/deformation_dir = Vector2(1, 0)
+shader_parameter/deformation_rate = 0.0

render/shader/character.gdshader

@@ -9,12 +9,12 @@ uniform float deformation_rate = 0;
 
 void vertex() {
 	if (length(deformation_dir)>0.0){
-		 vec2 dir_center = VERTEX.xy;
+		vec2 dir_center = VERTEX.xy;
-	    vec2 dir = normalize(deformation_dir.yx);
+		vec2 dir = normalize(deformation_dir.yx);
-	    vec2 dir1 = dir * deformation_rate;
+		vec2 dir1 = dir * deformation_rate;
-	    vec2 dir2 = cross(vec3(0, 0, 1), vec3(dir, 0)).xy * deformation_rate;
+		vec2 dir2 = cross(vec3(0, 0, 1), vec3(dir, 0)).xy * deformation_rate;
-	    vec2 offset1 = -dot(dir1, dir_center) * dir1;
+		vec2 offset1 = -dot(dir1, dir_center) * dir1;
-	    vec2 offset2 = dot(dir2, dir_center) * dir2;
+		vec2 offset2 = dot(dir2, dir_center) * dir2;
 		VERTEX.xy += offset1 + offset2;
 	}
 }

render/shader/character_silhouette.gdshader

@@ -0,0 +1,27 @@
+shader_type spatial;
+render_mode depth_draw_opaque,unshaded,depth_test_disabled;
+
+uniform sampler2D tex : source_color,filter_nearest;
+uniform vec4 color:source_color;
+
+uniform vec2 deformation_dir = vec2(1, 0);
+uniform float deformation_rate = 0;
+
+void vertex() {
+	if (length(deformation_dir)>0.0){
+		vec2 dir_center = VERTEX.xy;
+		vec2 dir = normalize(deformation_dir.yx);
+		vec2 dir1 = dir * deformation_rate;
+		vec2 dir2 = cross(vec3(0, 0, 1), vec3(dir, 0)).xy * deformation_rate;
+		vec2 offset1 = -dot(dir1, dir_center) * dir1;
+		vec2 offset2 = dot(dir2, dir_center) * dir2;
+		VERTEX.xy += offset1 + offset2;
+	}
+}
+
+void fragment() {
+	vec4 col = texture(tex, UV);
+	if(col.a<0.5){discard;}
+	ALBEDO = color.rgb;
+	ALPHA = 1.0;
+}

script/character/character.gd

@@ -41,8 +41,9 @@ func init_after():
 	set_status("mp_sub_max",cfg.mp.mp_sub_max)
 	set_status("mp_sub",0)
 
-func set_material(material:ShaderMaterial):
+func set_material(material:ShaderMaterial,material_sub:ShaderMaterial):
 	view.material_override = material
+	view.material_override.next_pass = material_sub
 
 func is_on_stair()->bool:
 	if velocity.x > 0:

script/character/view.gd

@@ -149,16 +149,21 @@ func _on_animation_finished():
 	update_trans(true)
 	
 func update_material():
-	var material = material_override as ShaderMaterial
+	var material = material_override.next_pass as ShaderMaterial
+	var material2 = material_override as ShaderMaterial
 	material.set_shader_parameter("flash_white",status.flash_white_rate)
 	material.set_shader_parameter("deformation_dir",status.deformation_dir)
+	material2.set_shader_parameter("deformation_dir",status.deformation_dir)
 	material.set_shader_parameter("deformation_rate",status.deformation_rate*0.4)
+	material2.set_shader_parameter("deformation_rate",status.deformation_rate*0.4)
 	call_deferred("refresh_texture")
 
 func refresh_texture():
 	var material = material_override as ShaderMaterial
+	var material2 = material_override.next_pass as ShaderMaterial
 	var tex = sprite_frames.get_frame_texture(animation,frame)
 	material.set_shader_parameter("tex",tex)
+	material2.set_shader_parameter("tex",tex)
 
 func clone(target:AnimatedSprite3D):
 	target.sprite_frames = sprite_frames

script/manager/character_manager.gd

@@ -35,7 +35,7 @@ func create_character(cfg:CharacterCfg,team:Enum.ETeam,pos:Vector3):
 	character_idx += 1
 	character_map[character_idx]=character
 	character.init(character_idx,cfg,team)
-	character.set_material(ResourceManager.material_character.duplicate())
+	character.set_material(ResourceManager.material_character.duplicate(),ResourceManager.material_character_sub.duplicate())
 	character.set_pos(pos)
 	SignalManager.character_create.emit(character_idx,team,character.ui_pos())
 	if cfg.type == Enum.ECharacterType.Player:player_id = character_idx

script/manager/resource_manager.gd

@@ -6,6 +6,7 @@ var scene_monster = load("res://scene/character/monster.tscn")
 
 #==material==
 var material_character = load("res://render/material/character.tres")
+var material_character_sub = load("res://render/material/character_sub.tres")
 
 #==effect==
 var particle_hit_normal = load("res://scene/effect/particle/particle_hit_normal.tscn")