From 4b6d0d9e77f873c79848bddba24a8e6f684b48f8 Mon Sep 17 00:00:00 2001 From: Cat Flynn Date: Tue, 6 Dec 2022 01:28:15 +0000 Subject: [PATCH] grid with gradient --- half-earth/Half-earth.csproj | 6 ++ half-earth/Half-earth.sln | 19 +++++ half-earth/materials/tile.tres | 8 +++ half-earth/nodes/game.tscn | 11 +++ half-earth/nodes/grid.tscn | 10 +++ half-earth/nodes/tile.tscn | 8 +++ half-earth/scripts/WorldGrid.cs | 93 +++++++++++++++++++++++++ half-earth/shaders/tile_shader.gdshader | 7 ++ 8 files changed, 162 insertions(+) create mode 100644 half-earth/Half-earth.csproj create mode 100644 half-earth/Half-earth.sln create mode 100644 half-earth/materials/tile.tres create mode 100644 half-earth/nodes/game.tscn create mode 100644 half-earth/nodes/grid.tscn create mode 100644 half-earth/nodes/tile.tscn create mode 100644 half-earth/scripts/WorldGrid.cs create mode 100644 half-earth/shaders/tile_shader.gdshader diff --git a/half-earth/Half-earth.csproj b/half-earth/Half-earth.csproj new file mode 100644 index 0000000..29905c2 --- /dev/null +++ b/half-earth/Half-earth.csproj @@ -0,0 +1,6 @@ + + + net472 + Halfearth + + \ No newline at end of file diff --git a/half-earth/Half-earth.sln b/half-earth/Half-earth.sln new file mode 100644 index 0000000..a7cf826 --- /dev/null +++ b/half-earth/Half-earth.sln @@ -0,0 +1,19 @@ +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 2012 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Half-earth", "Half-earth.csproj", "{C894A75C-991B-4000-9BD9-9B0B186304C4}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + ExportDebug|Any CPU = ExportDebug|Any CPU + ExportRelease|Any CPU = ExportRelease|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {C894A75C-991B-4000-9BD9-9B0B186304C4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {C894A75C-991B-4000-9BD9-9B0B186304C4}.Debug|Any CPU.Build.0 = Debug|Any CPU + {C894A75C-991B-4000-9BD9-9B0B186304C4}.ExportDebug|Any CPU.ActiveCfg = ExportDebug|Any CPU + {C894A75C-991B-4000-9BD9-9B0B186304C4}.ExportDebug|Any CPU.Build.0 = ExportDebug|Any CPU + {C894A75C-991B-4000-9BD9-9B0B186304C4}.ExportRelease|Any CPU.ActiveCfg = ExportRelease|Any CPU + {C894A75C-991B-4000-9BD9-9B0B186304C4}.ExportRelease|Any CPU.Build.0 = ExportRelease|Any CPU + EndGlobalSection +EndGlobal diff --git a/half-earth/materials/tile.tres b/half-earth/materials/tile.tres new file mode 100644 index 0000000..4bc4d4a --- /dev/null +++ b/half-earth/materials/tile.tres @@ -0,0 +1,8 @@ +[gd_resource type="ShaderMaterial" load_steps=2 format=2] + +[ext_resource path="res://shaders/tile_shader.gdshader" type="Shader" id=1] + +[resource] +resource_local_to_scene = true +shader = ExtResource( 1 ) +shader_param/c = null diff --git a/half-earth/nodes/game.tscn b/half-earth/nodes/game.tscn new file mode 100644 index 0000000..c7bf9d9 --- /dev/null +++ b/half-earth/nodes/game.tscn @@ -0,0 +1,11 @@ +[gd_scene load_steps=3 format=2] + +[ext_resource path="res://nodes/grid.tscn" type="PackedScene" id=1] +[ext_resource path="res://nodes/grid_cursor.tscn" type="PackedScene" id=2] + +[node name="Root" type="Node2D"] + +[node name="Grid" parent="." instance=ExtResource( 1 )] + +[node name="Cursor" parent="." instance=ExtResource( 2 )] +Grid = NodePath("../Grid") diff --git a/half-earth/nodes/grid.tscn b/half-earth/nodes/grid.tscn new file mode 100644 index 0000000..3a19d57 --- /dev/null +++ b/half-earth/nodes/grid.tscn @@ -0,0 +1,10 @@ +[gd_scene load_steps=3 format=2] + +[ext_resource path="res://scripts/WorldGrid.cs" type="Script" id=1] +[ext_resource path="res://nodes/tile.tscn" type="PackedScene" id=2] + +[node name="Grid" type="Node2D"] +script = ExtResource( 1 ) +TileScene = ExtResource( 2 ) +Size = 10 +CellSize = 64 diff --git a/half-earth/nodes/tile.tscn b/half-earth/nodes/tile.tscn new file mode 100644 index 0000000..5861ee1 --- /dev/null +++ b/half-earth/nodes/tile.tscn @@ -0,0 +1,8 @@ +[gd_scene load_steps=3 format=2] + +[ext_resource path="res://materials/tile.tres" type="Material" id=1] +[ext_resource path="res://textures/icon.png" type="Texture" id=2] + +[node name="Tile" type="Sprite"] +material = ExtResource( 1 ) +texture = ExtResource( 2 ) diff --git a/half-earth/scripts/WorldGrid.cs b/half-earth/scripts/WorldGrid.cs new file mode 100644 index 0000000..e03923b --- /dev/null +++ b/half-earth/scripts/WorldGrid.cs @@ -0,0 +1,93 @@ +using Godot; +using System; + +public class WorldGrid : Node2D +{ + [Export] + private PackedScene TileScene { get; set; } + + [Export] + public int Size { get; set; } + + [Export] + public int CellSize { get; set; } + + private struct Tile + { + public float data; + public ShaderMaterial material; + } + private Tile[,] _tiles; + + // Called when the node enters the scene tree for the first time. + public override void _Ready() + { + GenerateGrid(Size); + } + + public override void _Process(float delta) + { + base._Process(delta); + + for (int x = 0; x < Size; x++) + { + for (int y = 0; y < Size; y++) + { + var tile = _tiles[x, y]; + var material = tile.material; + material.SetShaderParam("c", tile.data); + } + } + } + + public void GetGridPos(Vector2 position, out int x, out int y) + { + int GetCoord(float f) => + Mathf.Clamp(Mathf.FloorToInt(f / CellSize), 0, CellSize -1); + + x = GetCoord(position.x); + y = GetCoord(position.y); + } + + private void Clear() + { + _tiles = null; + + int children = this.GetChildCount(); + GD.Print(children); + for (int i = 0; i < children; i++) + { + var child = this.GetChild(i); + child.QueueFree(); + } + } + + private void GenerateGrid(int size) + { + this.Clear(); + + _tiles = new Tile[size, size]; + + for (int x = 0; x < size; x++) + { + for (int y = 0; y < size; y++) + { + var tile = new Tile(); + tile.data = (float)(y * size + x) / 100f; + + var node = TileScene.Instance(); + this.AddChild(node); + var position = new Vector2 + { + x = (x + .5f) * CellSize, + y = (y + .5f) * CellSize + }; + node.Position = position; + var canvasItem = (CanvasItem)node; + tile.material = (ShaderMaterial)canvasItem.Material; + + _tiles[x, y] = tile; + } + } + } +} diff --git a/half-earth/shaders/tile_shader.gdshader b/half-earth/shaders/tile_shader.gdshader new file mode 100644 index 0000000..e948f41 --- /dev/null +++ b/half-earth/shaders/tile_shader.gdshader @@ -0,0 +1,7 @@ +shader_type canvas_item; + +uniform float c; + +void fragment() { + COLOR = vec4(c, 0.0, 0.0, 1.0); +}