care-game 0.0.1

Simple and easy game framework inspired by LÖVE.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167

// TODO: dynamically generate this
// also, try an array of textures (not an array texture)
@group(0) @binding(0)
var texture_0: texture_2d<f32>;
@group(0) @binding(1)
var sampler_0: sampler;

@group(0) @binding(2)
var texture_1: texture_2d<f32>;
@group(0) @binding(3)
var sampler_1: sampler;

@group(0) @binding(4)
var texture_2: texture_2d<f32>;
@group(0) @binding(5)
var sampler_2: sampler;

@group(0) @binding(6)
var texture_3: texture_2d<f32>;
@group(0) @binding(7)
var sampler_3: sampler;

@group(0) @binding(8)
var texture_4: texture_2d<f32>;
@group(0) @binding(9)
var sampler_4: sampler;

@group(0) @binding(10)
var texture_5: texture_2d<f32>;
@group(0) @binding(11)
var sampler_5: sampler;

@group(0) @binding(12)
var texture_6: texture_2d<f32>;
@group(0) @binding(13)
var sampler_6: sampler;

@group(0) @binding(14)
var texture_7: texture_2d<f32>;
@group(0) @binding(15)
var sampler_7: sampler;

@group(0) @binding(16)
var texture_8: texture_2d<f32>;
@group(0) @binding(17)
var sampler_8: sampler;

@group(0) @binding(18)
var texture_9: texture_2d<f32>;
@group(0) @binding(19)
var sampler_9: sampler;

@group(0) @binding(20)
var texture_10: texture_2d<f32>;
@group(0) @binding(21)
var sampler_10: sampler;

@group(0) @binding(22)
var texture_11: texture_2d<f32>;
@group(0) @binding(23)
var sampler_11: sampler;

@group(0) @binding(24)
var texture_12: texture_2d<f32>;
@group(0) @binding(25)
var sampler_12: sampler;

@group(0) @binding(26)
var texture_13: texture_2d<f32>;
@group(0) @binding(27)
var sampler_13: sampler;

@group(0) @binding(28)
var texture_14: texture_2d<f32>;
@group(0) @binding(29)
var sampler_14: sampler;

@group(0) @binding(30)
var texture_15: texture_2d<f32>;
@group(0) @binding(31)
var sampler_15: sampler;

struct VertexInput {
	@location(0) position: vec2<f32>,
	@location(1) uv: vec2<f32>,
	@location(2) colour: vec4<f32>,
	@location(3) rounding_box: vec4<f32>,
	@location(4) rounding_values: vec4<f32>,
	@location(5) tex: u32,
}

struct VertexOutput {
	@builtin(position) clip_position: vec4<f32>,
	@location(0) colour: vec4<f32>,
	@location(1) uv: vec2<f32>,
	@location(2) tex: u32,
	@location(3) rounding_box: vec4<f32>,
	@location(4) rounding_values: vec4<f32>,
};

@vertex
fn vs_main(in: VertexInput) -> VertexOutput {
	var out: VertexOutput;
	out.clip_position = vec4<f32>(in.position.x*2.0 - 1.0, 1.0 - in.position.y*2.0, 0.0, 1.0);
	out.colour = in.colour;
	out.uv = in.uv;
	out.tex = in.tex;
	out.rounding_box = in.rounding_box;
	out.rounding_values = in.rounding_values/2.0;
	return out;
}

@fragment
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
	if
		in.uv.x < in.rounding_box.x ||
		in.uv.y < in.rounding_box.y ||
		in.uv.x > in.rounding_box.x + in.rounding_box.z ||
		in.uv.y > in.rounding_box.y + in.rounding_box.w
	{
		discard;
	}
	var scaled_uv = (in.uv - in.rounding_box.xy) / in.rounding_box.zw;
	var quadrant = scaled_uv > vec2<f32>(0.5, 0.5);
	var radius = select(
		select(in.rounding_values.x, in.rounding_values.y, quadrant.x),
		select(in.rounding_values.z, in.rounding_values.w, quadrant.x),
		quadrant.y,
	);
	var scaled_radius = vec2<f32>(radius);//in.rounding_box.zw;
	var center = in.rounding_box.xy + vec2<f32>(
		select(scaled_radius.x, in.rounding_box.z-scaled_radius.x, quadrant.x),
		select(scaled_radius.y, in.rounding_box.w-scaled_radius.y, quadrant.y),
	);
	if
		select(center.x-in.uv.x, in.uv.x-center.x, quadrant.x) > 0.0 &&
		select(center.y-in.uv.y, in.uv.y-center.y, !quadrant.y) < 0.0 &&
		length(in.uv-center) > radius {
		discard;
	}
	/*
	if in.circle != 0 && length(in.uv-vec2<f32>(0.5, 0.5)) > 0.5 {
		discard;
	}
	*/
	var out: vec4<f32> = in.colour;
	switch in.tex {
		case 1u: { out *= textureSample(texture_0, sampler_0, in.uv); }
		case 2u: { out *= textureSample(texture_1, sampler_1, in.uv); }
		case 3u: { out *= textureSample(texture_2, sampler_2, in.uv); }
		case 4u: { out *= textureSample(texture_3, sampler_3, in.uv); }
		case 5u: { out *= textureSample(texture_4, sampler_4, in.uv); }
		case 6u: { out *= textureSample(texture_5, sampler_5, in.uv); }
		case 7u: { out *= textureSample(texture_6, sampler_6, in.uv); }
		case 8u: { out *= textureSample(texture_7, sampler_7, in.uv); }
		case 9u: { out *= textureSample(texture_8, sampler_8, in.uv); }
		case 10u: { out *= textureSample(texture_9, sampler_9, in.uv); }
		case 11u: { out *= textureSample(texture_10, sampler_10, in.uv); }
		case 12u: { out *= textureSample(texture_11, sampler_11, in.uv); }
		case 13u: { out *= textureSample(texture_12, sampler_12, in.uv); }
		case 14u: { out *= textureSample(texture_13, sampler_13, in.uv); }
		case 15u: { out *= textureSample(texture_14, sampler_14, in.uv); }
		case 16u: { out *= textureSample(texture_15, sampler_15, in.uv); }
		default: { }
	}
	return out;
}