scale3x...
This commit is contained in:
Haze Weathers
parent
004e22e3b5
commit
762205b006
2 changed files with 130 additions and 1 deletions
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@ -1,4 +1,4 @@
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[gd_scene load_steps=35 format=2]
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[gd_scene load_steps=37 format=2]
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[ext_resource path="res://objects/enemy/constant_bleed.tscn" type="PackedScene" id=1]
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[ext_resource path="res://graphics/enemy/boss/scrump_gore/tentacle5.png" type="Texture" id=2]
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@ -16,10 +16,15 @@
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[ext_resource path="res://graphics/enemy/boss/scrump_gore/tentacle4.png" type="Texture" id=14]
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[ext_resource path="res://graphics/enemy/boss/scrump_gore/tentacle2.png" type="Texture" id=15]
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[ext_resource path="res://scripts/launch_rigid.gd" type="Script" id=16]
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[ext_resource path="res://shaders/scale3x.gdshader" type="Shader" id=17]
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[sub_resource type="PhysicsMaterial" id=21]
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bounce = 0.3
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[sub_resource type="ShaderMaterial" id=22]
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shader = ExtResource( 17 )
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shader_param/pixel_scale = 1.0
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[sub_resource type="CapsuleShape2D" id=17]
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radius = 7.26425
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height = 4.59118
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@ -91,6 +96,7 @@ height = 14.0
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physics_material_override = SubResource( 21 )
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[node name="Sprite" type="Sprite" parent="Brain1"]
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material = SubResource( 22 )
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position = Vector2( 27, 27 )
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texture = ExtResource( 9 )
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@ -115,6 +121,7 @@ position = Vector2( 48, 11 )
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position = Vector2( 37, 29 )
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[node name="Sprite2" type="Sprite" parent="Brain2"]
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material = SubResource( 22 )
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position = Vector2( 27, 27 )
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texture = ExtResource( 12 )
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@ -133,6 +140,7 @@ position = Vector2( 44, 7 )
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position = Vector2( 32, 25 )
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[node name="Sprite3" type="Sprite" parent="Brain3"]
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material = SubResource( 22 )
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position = Vector2( 27, 27 )
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texture = ExtResource( 11 )
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@ -148,6 +156,7 @@ physics_material_override = SubResource( 21 )
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position = Vector2( 49, 23 )
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[node name="Sprite3" type="Sprite" parent="Brain4"]
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material = SubResource( 22 )
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position = Vector2( 27, 27 )
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texture = ExtResource( 4 )
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@ -165,6 +174,7 @@ script = ExtResource( 16 )
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position = Vector2( 1, -6 )
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[node name="Sprite" type="Sprite" parent="Eye"]
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material = SubResource( 22 )
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position = Vector2( 21, 12 )
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texture = ExtResource( 6 )
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@ -182,6 +192,7 @@ position = Vector2( 6, 8 )
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position = Vector2( 25, 5 )
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[node name="Sprite" type="Sprite" parent="Eyestalk"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 5 )
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@ -217,6 +228,7 @@ position = Vector2( 42, 26 )
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position = Vector2( 33, 28 )
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[node name="Sprite" type="Sprite" parent="UpperHead"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 13 )
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@ -248,6 +260,7 @@ position = Vector2( 35, 37 )
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position = Vector2( 44, 37 )
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[node name="Sprite" type="Sprite" parent="LowerHead"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 10 )
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@ -264,6 +277,7 @@ script = ExtResource( 16 )
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position = Vector2( 19, 37 )
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[node name="Sprite" type="Sprite" parent="Tentacle1"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 3 )
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@ -280,6 +294,7 @@ script = ExtResource( 16 )
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position = Vector2( 23, 38 )
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[node name="Sprite" type="Sprite" parent="Tentacle2"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 15 )
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@ -296,6 +311,7 @@ script = ExtResource( 16 )
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position = Vector2( 27, 38 )
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[node name="Sprite" type="Sprite" parent="Tentacle3"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 7 )
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@ -311,6 +327,7 @@ script = ExtResource( 16 )
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position = Vector2( 33, 38 )
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[node name="Sprite" type="Sprite" parent="Tentacle4"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 14 )
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@ -326,6 +343,7 @@ script = ExtResource( 16 )
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position = Vector2( 38, 38 )
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[node name="Sprite" type="Sprite" parent="Tentacle5"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 2 )
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@ -341,6 +359,7 @@ script = ExtResource( 16 )
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position = Vector2( 43, 38 )
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[node name="Sprite" type="Sprite" parent="Tentacle6"]
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material = SubResource( 22 )
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position = Vector2( 26, 27 )
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texture = ExtResource( 8 )
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110
shaders/scale3x.gdshader
Normal file
110
shaders/scale3x.gdshader
Normal file
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@ -0,0 +1,110 @@
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shader_type canvas_item;
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const vec4 background = vec4(1., 1., 1., 0.);
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uniform float pixel_scale: hint_range(0.0, 1.0) = 1.0;
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float dist(vec4 c1, vec4 c2) {
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return (c1 == c2) ? 0.0 : abs(c1.r - c2.r) + abs(c1.g - c2.g) + abs(c1.b - c2.b);
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}
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bool similar(vec4 c1, vec4 c2, vec4 input) {
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return (c1 == c2 || (dist(c1, c2) <= dist(input, c2) && dist(c1, c2) <= dist(input, c1)));
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}
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bool different(vec4 c1, vec4 c2, vec4 input) {
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return !similar(c1, c2, input);
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}
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// rotsprite 3x enlargement algorithm:
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// suppose we are looking at input pixel cE which is surrounded by 8 other
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// pixels:
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// cA cB cC
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// cD cE cF
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// cG cH cI
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// and for that 1 input pixel cE we want to output 4 pixels oA, oB, oC, and oD:
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// E0 E1 E2
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// E3 E4 E5
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// E6 E7 E8
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vec4 scale3x(sampler2D tex, vec2 uv, vec2 pixel_size) {
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vec4 cE = texture(tex, uv);
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cE = cE.a == 0.0 ? background : cE;
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vec4 cD = texture(tex, uv + pixel_size * vec2(-1., .0));
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cD = cD.a == 0.0 ? background : cD;
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vec4 cF = texture(tex, uv + pixel_size * vec2(1., .0));
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cF = cF.a == 0.0 ? background : cF;
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vec4 cH = texture(tex, uv + pixel_size * vec2(.0, 1.));
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cH = cH.a == 0.0 ? background : cH;
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vec4 cB = texture(tex, uv + pixel_size * vec2(.0, -1.));
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cB = cB.a == 0.0 ? background : cB;
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vec4 cA = texture(tex, uv + pixel_size * vec2(-1., -1.));
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cA = cA.a == 0.0 ? background : cA;
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vec4 cI = texture(tex, uv + pixel_size * vec2(1., 1.));
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cI = cI.a == 0.0 ? background : cI;
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vec4 cG = texture(tex, uv + pixel_size * vec2(-1., 1.));
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cG = cG.a == 0.0 ? background : cG;
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vec4 cC = texture(tex, uv + pixel_size * vec2(1., -1.));
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cC = cC.a == 0.0 ? background : cC;
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if (different(cD,cF, cE)
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&& different(cH,cB, cE)
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&& ((similar(cE, cD, cE) || similar(cE, cH, cE) || similar(cE, cF, cE) || similar(cE, cB, cE) ||
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((different(cA, cI, cE) || similar(cE, cG, cE) || similar(cE, cC, cE)) &&
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(different(cG, cC, cE) || similar(cE, cA, cE) || similar(cE, cI, cE))))))
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{
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vec2 unit = uv - (floor(uv / pixel_size) * pixel_size);
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vec2 pixel_3_size = pixel_size / 3.0;
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// E0
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if (unit.x < pixel_3_size.x && unit.y < pixel_3_size.y) {
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return similar(cB, cD, cE) ? cB : cE;
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}
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// E1
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if (unit.x < pixel_3_size.x * 2.0 && unit.y < pixel_3_size.y) {
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return (similar(cB, cD, cE) && different(cE, cC, cE))
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|| (similar(cB, cF, cE) && different(cE, cA, cE)) ? cB : cE;
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}
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// E2
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if (unit.y < pixel_3_size.y) {
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return similar(cB, cF, cE) ? cB : cE;
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}
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// E3
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if (unit.x < pixel_3_size.x && unit.y < pixel_3_size.y * 2.0) {
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return (similar(cB, cD, cE) && different(cE, cG, cE)
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|| (similar(cH, cD, cE) && different(cE, cA, cE))) ? cD : cE;
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}
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// E5
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if (unit.x >= pixel_3_size.x * 2.0 && unit.x < pixel_3_size.x * 3.0 && unit.y < pixel_3_size.y * 2.0) {
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return (similar(cB, cF, cE) && different(cE, cI, cE))
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|| (similar(cH, cF, cE) && different(cE, cC, cE)) ? cF : cE;
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}
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// E6
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if (unit.x < pixel_3_size.x && unit.y >= pixel_3_size.y * 2.0) {
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return similar(cH, cD, cE) ? cH : cE;
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}
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// E7
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if (unit.x < pixel_3_size.x * 2.0 && unit.y >= pixel_3_size.y * 2.0) {
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return (similar(cH, cD, cE) && different(cE, cI, cE))
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|| (similar(cH, cF, cE) && different(cE, cG, cE)) ? cH : cE;
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}
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// E8
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if (unit.y >= pixel_3_size.y * 2.0) {
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return similar(cH, cF, cE) ? cH : cE;
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}
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}
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return cE;
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}
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void fragment() {
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COLOR = scale3x(TEXTURE, UV, TEXTURE_PIXEL_SIZE * pixel_scale);
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}
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