blob: 53b2a3d3b3ba7b67d3ec9cdca4584915bc6597d6 (
plain)
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
|
uniform mat4 ViewProjectionMatrix;
uniform vec3 screenVecs[3];
/* ---- Instantiated Attribs ---- */
in float axis; /* position on the axis. [0.0-1.0] is X axis, [1.0-2.0] is Y, etc... */
in vec2 screenPos;
in vec3 colorAxis;
/* ---- Per instance Attribs ---- */
in mat4 InstanceModelMatrix;
in vec4 color;
flat out vec4 finalColor;
void main()
{
vec3 chosen_axis = InstanceModelMatrix[int(axis)].xyz;
vec3 y_axis = InstanceModelMatrix[1].xyz;
vec3 bone_loc = InstanceModelMatrix[3].xyz;
vec3 wpos = bone_loc + y_axis + chosen_axis * fract(axis);
vec3 spos = screenVecs[0].xyz * screenPos.x + screenVecs[1].xyz * screenPos.y;
/* Scale uniformly by axis length */
spos *= length(chosen_axis);
gl_Position = ViewProjectionMatrix * vec4(wpos + spos, 1.0);
finalColor.rgb = mix(colorAxis, color.rgb, color.a);
finalColor.a = 1.0;
}
|