Features/setup (#1)

* First commit

* Update readme with iamges

.gitignore

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+
+# Godot-specific ignores
+.import/
+export.cfg
+export_presets.cfg
+
+# Imported translations (automatically generated from CSV files)
+*.translation
+
+# Mono-specific ignores
+.mono/
+data_*/
+mono_crash.*.json
+
+# System/tool-specific ignores
+.directory
+*~

README.md

@@ -1,2 +1,31 @@
 # godot-field-of-view
-Godot FOV (Field of View)
+
+Godot FOV (Field of View).
+
+Godot script that allow use of Field of View in (currently) 2d game.
+
+## Features
+
+1. Highly customizable
+1. Multiple targets
+1. Targets defined by groups
+1. Precision can be defined
+
+## Current State
+
+![Image 1](/example/assets/screenshots/images/print_1.jpg)
+![Image 2](/example/assets/screenshots/images/print_2.jpg)
+![Image 3](/example/assets/screenshots/images/print_3.jpg)
+![Image 4](/example/assets/screenshots/images/print_4.jpg)
+![Image 5](/example/assets/screenshots/images/print_5.jpg)
+![Image 6](/example/assets/screenshots/images/print_6.jpg)
+![Image 7](/example/assets/screenshots/images/print_7.jpg)
+![Image 8](/example/assets/screenshots/images/print_8.jpg)
+
+## Variables
+
+![Image 1](/example/assets/screenshots/images/variables.jpg)
+
+# Credits / Links
+
+Code forked from https://github.com/luisboch/godot_field_of_view

VERSION

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+v1.0.0

addons/fov/FieldOfView.gd

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+extends Node2D
+
+export(float) var field_of_view: float = 60.0
+export(float) var radius_warn: float = 500.0
+export(float) var radius_danger: float = 200.0
+export(float) var view_detail: float = 60.0
+
+export(bool) var show_circle: bool = false
+export(bool) var show_fov: bool = true
+export(bool) var show_target_line: bool = true
+
+export(Color) var circle_color: Color = Color("#9f185c0b")
+export(Color) var fov_color: Color = Color("#b23d7f0b")
+export(Color) var fov_warn_color: Color = Color("#b1eedf0b")
+export(Color) var fov_danger_color: Color = Color("#9dfb320b")
+
+export(Array) var enemy_groups: Array = ["Enemy"]
+
+var in_danger_area: Array = []
+var in_warn_area: Array = []
+
+# Buffer to target points
+var points_arc: Array = []
+var is_update: bool = false
+
+func _process(delta: float) -> void:
+	is_update = true
+	check_view()
+	update()
+
+func _draw() -> void:
+	if show_circle:
+		draw_circle(get_position(), radius_warn, circle_color)
+
+	if show_fov && is_update:
+		draw_circle_arc()
+
+func draw_circle_arc() -> void:
+	for aux in points_arc:
+		if aux.level == 1 && show_target_line:
+				draw_line(get_position(), aux.pos, fov_warn_color, 3)
+		elif aux.level == 2 && show_target_line:
+			draw_line(get_position(), aux.pos, fov_danger_color, 5)
+		else:
+				draw_line(get_position(), aux.pos, fov_color)
+
+func deg_to_vector(deg: float) -> Vector2:
+	return Vector2(cos(deg2rad(deg)), sin(deg2rad(deg)))
+
+func check_view() -> void:
+	var dir_deg = rad2deg(transform.get_rotation())
+	var start_angle = dir_deg - (field_of_view * 0.5)
+	var end_angle = start_angle + field_of_view
+
+	points_arc = []
+	in_danger_area = []
+	in_warn_area = []
+
+	var space_state = get_world_2d().direct_space_state
+
+	for i in range(view_detail + 1):
+		var cur_angle = start_angle + (i * (field_of_view / view_detail)) + 90
+		var point = get_position() + deg_to_vector(cur_angle) * radius_warn
+
+		# use global coordinates, not local to node
+		var result = space_state.intersect_ray(get_global_transform().origin, to_global(point), [get_parent()])
+
+		if result.empty():
+			points_arc.append({"pos": point, "level": 0})
+			continue
+
+		var local_pos = to_local(result.position)
+		var dist = get_position().distance_to(local_pos)
+		var level = 0
+		var is_enemy = false
+
+		if in_danger_area.has(result.collider) || in_warn_area.has(result.collider):
+			points_arc.append({"pos": local_pos, "level": level})
+			continue
+
+		for g in enemy_groups :
+			if result.collider.get_groups().has(g):
+				is_enemy = true
+
+		if !is_enemy:
+			points_arc.append({"pos": local_pos, "level": level})
+			continue
+
+		level = 1
+
+		if dist < radius_danger :
+			level = 2
+			in_danger_area.append(result.collider)
+		else :
+			in_warn_area.append(result.collider)
+
+		# check if directly to target, we can "shoot"
+		var tgt_pos = result.collider.get_global_transform().origin
+		var this_pos = get_global_transform().origin
+		var tgt_dir = (tgt_pos - this_pos).normalized()
+		var view_angle = rad2deg(deg_to_vector(rad2deg(get_global_transform().get_rotation())+90).angle_to(tgt_dir))
+
+		if !(view_angle > start_angle && view_angle < end_angle):
+			points_arc.append({"pos": local_pos, "level": level})
+			continue
+
+		var result2 = space_state.intersect_ray(this_pos, tgt_pos, [get_parent()])
+
+		if !result2.empty() && result2.collider == result.collider :
+			# we can, then use this as line
+			points_arc.append({"pos": local_pos, "level": 0})
+			if show_target_line:
+				points_arc.append({"pos": to_local(tgt_pos), "level": level})
+		else :
+			points_arc.append({"pos": local_pos, "level": level})

addons/fov/icon.png.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon.png-bdeb6f1d69351700797d4b405d9d668f.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/fov/icon.png"
+dest_files=[ "res://.import/icon.png-bdeb6f1d69351700797d4b405d9d668f.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

default_env.tres

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+[gd_resource type="Environment" load_steps=2 format=2]
+
+[sub_resource type="ProceduralSky" id=1]
+
+[resource]
+background_mode = 2
+background_sky = SubResource( 1 )

example/assets/block-black.jpg.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/block-black.jpg-11d7c7b3d90feae94ca26a7e04604c51.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://example/assets/block-black.jpg"
+dest_files=[ "res://.import/block-black.jpg-11d7c7b3d90feae94ca26a7e04604c51.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

example/assets/block-blue.jpg.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/block-blue.jpg-bb29fa4996966e33d0b2408bec00ab43.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://example/assets/block-blue.jpg"
+dest_files=[ "res://.import/block-blue.jpg-bb29fa4996966e33d0b2408bec00ab43.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

example/assets/block-green.jpg.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/block-green.jpg-177a94fa2f3da4dc18610029e5a2663b.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://example/assets/block-green.jpg"
+dest_files=[ "res://.import/block-green.jpg-177a94fa2f3da4dc18610029e5a2663b.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

example/assets/block-white.jpg.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/block-white.jpg-22873ae34a4b3ead71548996605e0679.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://example/assets/block-white.jpg"
+dest_files=[ "res://.import/block-white.jpg-22873ae34a4b3ead71548996605e0679.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

example/src/Block.tscn

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+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://example/assets/block-black.jpg" type="Texture" id=1]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 42.0301, 40.1378 )
+
+[node name="Block" type="StaticBody2D"]
+position = Vector2( 554.68, 103.442 )
+collision_layer = 3
+collision_mask = 3
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource( 1 )
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 1 )

example/src/Enemy1.tscn

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+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://example/assets/block-white.jpg" type="Texture" id=1]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 40.8181, 41.4788 )
+
+[node name="Enemy1" type="KinematicBody2D" groups=[
+"Enemy",
+]]
+position = Vector2( 409.473, 151.002 )
+__meta__ = {
+"_edit_group_": true
+}
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource( 1 )
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 1 )