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pulsing cursor #5

This commit is contained in:
Cat Flynn 2022-12-08 21:15:20 +00:00
parent 68dd73fb95
commit 503caa4430
3 changed files with 51 additions and 6 deletions
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4
half-earth/materials/cursor.tres
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@ -4,6 +4,6 @@
[resource]
shader = ExtResource( 1 )
shader_param/lowColor = Color( 1, 0.960784, 0, 1 )
shader_param/highColor = Color( 0.921569, 0, 1, 1 )
shader_param/lowColor = Color( 0, 0, 0, 0 )
shader_param/highColor = Color( 0, 0.976471, 1, 1 )
shader_param/t = null

13
half-earth/nodes/game.tscn
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@ -1,4 +1,4 @@
[gd_scene load_steps=7 format=2]
[gd_scene load_steps=8 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]
@ -7,16 +7,20 @@
[ext_resource path="res://nodes/interaction_mode.tscn" type="PackedScene" id=5]
[ext_resource path="res://nodes/ui/build_mode_ui.tscn" type="PackedScene" id=6]
[sub_resource type="Curve" id=1]
_data = [ Vector2( 0, 0 ), 0.0, 5.0, 0, 0, Vector2( 0.5, 1 ), 0.0, 0.0, 0, 0, Vector2( 1, 0 ), -4.0, 0.0, 0, 0 ]
[node name="Root" type="Node"]
[node name="Clock" parent="." instance=ExtResource( 4 )]
_autoTick = true
[node name="Grid" parent="." instance=ExtResource( 1 )]
DiffusionCoefficient = 0.1
[node name="Cursor" parent="." instance=ExtResource( 2 )]
Grid = NodePath("../Grid")
[node name="Clock" parent="." instance=ExtResource( 4 )]
_autoTick = true
_pulseShape = SubResource( 1 )
[node name="Interaction Mode" parent="." instance=ExtResource( 5 )]
@ -31,6 +35,7 @@ anchor_bottom = 1.0
[connection signal="OnPauseChanged" from="Clock" to="UI/Debug" method="_on_Clock_OnPauseChanged"]
[connection signal="OnTick" from="Clock" to="Grid" method="_on_Clock_OnTick"]
[connection signal="OnTick" from="Clock" to="UI/Debug" method="_on_Clock_OnTick"]
[connection signal="OnInteractionModeChanged" from="Interaction Mode" to="Cursor" method="_on_Interaction_Mode_OnInteractionModeChanged"]
[connection signal="OnInteractionModeChanged" from="Interaction Mode" to="UI/Debug" method="_on_Interaction_Mode_OnInteractionModeChanged"]
[connection signal="OnInteractionModeChanged" from="Interaction Mode" to="UI/Build Mode" method="_on_Interaction_Mode_OnInteractionModeChanged"]
[connection signal="OnExit" from="UI/Build Mode" to="Interaction Mode" method="Reset"]

40
half-earth/scripts/GridCursor.cs
View File

@ -8,6 +8,17 @@ public class GridCursor : Sprite
private WorldGrid _grid;
private ShaderMaterial _material;
#region Animation
[Export]
private Curve _pulseShape;
[Export]
private float _pulseRate = 1.0f;
private float PulsePeriod => 1.0f / _pulseRate;
#endregion
private float _elapsed = 0.0f;
private bool _pulsing = false;
private const string T = "t";
public override void _Ready()
@ -48,4 +59,33 @@ public class GridCursor : Sprite
}
}
}
public override void _Process(float delta)
{
_elapsed += delta * _pulseRate;
if (!_pulsing)
{
_material.SetShaderParam(T, 1f);
return;
}
var a = _pulseShape.Interpolate(_elapsed % 1.0f);
_material.SetShaderParam(T, a);
}
public void _on_Interaction_Mode_OnInteractionModeChanged(InteractionMode.Mode oldMode, InteractionMode.Mode newMode)
{
switch (newMode)
{
case InteractionMode.Mode.SELECT:
_pulsing = false;
break;
case InteractionMode.Mode.BUILD:
_pulsing = true;
break;
}
}
}