Experimenting with 3D Hex world

addons/gdhexgrid/demo_3d.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=13 format=2]
 
-[ext_resource path="res://demo_3d.gd" type="Script" id=1]
+[ext_resource path="res://addons/gdhexgrid/demo_3d.gd" type="Script" id=1]
 
 [sub_resource type="BoxShape" id=1]
 extents = Vector3( 4, 0.1, 4 )

project.godot

@@ -53,6 +53,29 @@ config/icon="res://icon.png"
 window/size/width=1280
 window/size/height=768
 
+[input]
+
+Forward={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":0,"physical_scancode":87,"unicode":0,"echo":false,"script":null)
+ ]
+}
+Back={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":0,"physical_scancode":83,"unicode":0,"echo":false,"script":null)
+ ]
+}
+Left={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":0,"physical_scancode":65,"unicode":0,"echo":false,"script":null)
+ ]
+}
+Right={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":0,"physical_scancode":68,"unicode":0,"echo":false,"script":null)
+ ]
+}
+
 [physics]
 
 common/enable_pause_aware_picking=true

scenes/DebugCamera.gd

@@ -0,0 +1,28 @@
+extends Camera
+
+var velocity = Vector3(0, 0, 0)
+var camera_moving = false
+
+func _physics_process(delta):
+	self.transform.origin += velocity * delta
+
+func _unhandled_input(event):
+	if Input.get_mouse_button_mask() & 3:
+		camera_moving = true
+	else:
+		camera_moving = false
+
+	if event is InputEventKey:
+		if Input.is_action_pressed("Forward"):
+			velocity.z = -5
+		elif Input.is_action_pressed("Back"):
+			velocity.z = 5
+		else:
+			velocity.z = 0
+			
+		if Input.is_action_pressed("Left"):
+			velocity.x = -5
+		elif Input.is_action_pressed("Right"):
+			velocity.x = 5
+		else:
+			velocity.x = 0

scenes/HexGrid3DTest.gd

@@ -0,0 +1,26 @@
+extends Spatial
+
+onready var hexgrid = preload("res://addons/gdhexgrid/HexGrid.gd").new()
+onready var HexTile3D = preload("res://scenes/HexTile3D.tscn")
+
+func _ready():
+	print (hexgrid)
+	
+	var num_tiles_x = 50
+	var num_tiles_z = 50
+	
+	for i in range(-num_tiles_x / 2, num_tiles_x / 2):
+		for j in range (-num_tiles_z / 2, num_tiles_z / 2):
+			var pos = hexgrid.get_hex_center_from_offset(Vector2(i, j))
+			var tile = HexTile3D.instance()
+			var height = (sin(pos.y * 0.3) * sin(pos.y * 0.8) * 0.8 + cos ((pos.x) * 0.9) * 1.24) * 0.5 - 0.5
+			tile.transform.origin = Vector3(pos.x, height, pos.y)
+			add_child(tile)	
+
+	var pos = hexgrid.get_hex_center3(Vector3(0, 0, 0))
+	print (pos)
+		
+	var hex = hexgrid.get_hex_at(pos)
+	print (hex)
+	
+	pass

scenes/HexGrid3DTest.tscn

@@ -0,0 +1,61 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://scenes/HexTile3D.tscn" type="PackedScene" id=1]
+[ext_resource path="res://scenes/HexGrid3DTest.gd" type="Script" id=2]
+[ext_resource path="res://scenes/DebugCamera.gd" type="Script" id=3]
+
+[sub_resource type="PlaneMesh" id=1]
+size = Vector2( 50, 50 )
+
+[sub_resource type="Shader" id=2]
+code = "shader_type spatial;
+
+uniform float beer_factor = 5.0;
+
+void fragment() {
+			// sample our depth buffer
+		float depth = texture(DEPTH_TEXTURE, SCREEN_UV).r;
+		
+		// grab to values
+		//depth = depth * 50.0 - 49.0;
+		
+		// unproject depth
+		depth = depth * 2.0 - 1.0;
+		float z = -PROJECTION_MATRIX[3][2] / (depth + PROJECTION_MATRIX[2][2]);
+		// float x = (SCREEN_UV.x * 2.0 - 1.0) * z / PROJECTION_MATRIX[0][0];
+		// float y = (SCREEN_UV.y * 2.0 - 1.0) * z / PROJECTION_MATRIX[1][1];
+		float delta = -(z - VERTEX.z); // z is negative.
+		// delta *= 0.1;
+		
+		// beers law
+		float att = exp(-delta * beer_factor);
+		
+		ALPHA = clamp(1.0 - att, 0.0, 1.0);
+	
+	ALBEDO = vec3(0.0, 0.0, 0.05);
+}"
+
+[sub_resource type="ShaderMaterial" id=3]
+shader = SubResource( 2 )
+shader_param/beer_factor = 5.0
+
+[node name="HexGrid3DTest" type="Spatial"]
+script = ExtResource( 2 )
+
+[node name="HexTile3D" parent="." instance=ExtResource( 1 )]
+visible = false
+
+[node name="Camera" type="Camera" parent="."]
+transform = Transform( 1, 0, 0, 0, 0.511698, 0.859165, 0, -0.859165, 0.511698, -1.05655, 3.66248, 10.3074 )
+fov = 60.0
+script = ExtResource( 3 )
+
+[node name="DirectionalLight" type="DirectionalLight" parent="."]
+transform = Transform( 0.83729, 0.174005, 0.518332, -0.54676, 0.266466, 0.793757, 0, -0.948008, 0.318248, 0, 8.03448, 0 )
+shadow_enabled = true
+shadow_contact = 1.565
+
+[node name="MeshInstance" type="MeshInstance" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.568377, 0.0356998 )
+mesh = SubResource( 1 )
+material/0 = SubResource( 3 )

scenes/HexTile3D.gd

@@ -0,0 +1,17 @@
+extends MeshInstance
+
+onready var is_mouse_over = false
+var old_material_override = Material.new()
+
+func _on_Area_mouse_entered():
+	is_mouse_over = true
+	old_material_override = material_override
+
+	var material = self.get_surface_material(0)
+	var cloned_material = material.duplicate()
+	cloned_material.albedo_color = Color (1, 0, 0)
+	self.material_override = cloned_material
+
+func _on_Area_mouse_exited():
+	is_mouse_over = false
+	self.material_override = old_material_override

scenes/HexTile3D.tscn

@@ -0,0 +1,32 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://scenes/HexTile3D.gd" type="Script" id=1]
+
+[sub_resource type="CylinderMesh" id=6]
+top_radius = 0.5
+bottom_radius = 0.5
+height = 1.0
+radial_segments = 6
+rings = 1
+
+[sub_resource type="SpatialMaterial" id=4]
+albedo_color = Color( 0.211765, 0.568627, 0.0666667, 1 )
+roughness = 0.0
+
+[sub_resource type="CylinderShape" id=5]
+radius = 0.5
+height = 1.0
+
+[node name="HexTile3D" type="MeshInstance"]
+transform = Transform( -1.62921e-07, 0, 1, 0, 1, 0, -1, 0, -1.62921e-07, 0, -0.5, 0 )
+mesh = SubResource( 6 )
+material/0 = SubResource( 4 )
+script = ExtResource( 1 )
+
+[node name="Area" type="Area" parent="."]
+
+[node name="CollisionShape" type="CollisionShape" parent="Area"]
+shape = SubResource( 5 )
+
+[connection signal="mouse_entered" from="Area" to="." method="_on_Area_mouse_entered"]
+[connection signal="mouse_exited" from="Area" to="." method="_on_Area_mouse_exited"]