blob: 3b2f170ca22c0e40546a3e1cabc26f70e8c5085d (
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
uniform mat4 ViewProjectionMatrix;
uniform int pointSize = 2;
uniform int frameCurrent;
uniform int cacheStart;
uniform bool showKeyFrames = true;
uniform bool useCustomColor;
uniform vec3 customColor;
in vec3 pos;
in int flag;
#define MOTIONPATH_VERT_SEL (1 << 0)
#define MOTIONPATH_VERT_KEY (1 << 1)
out vec4 finalColor;
void main()
{
gl_Position = ViewProjectionMatrix * vec4(pos, 1.0);
gl_PointSize = float(pointSize + 2);
int frame = gl_VertexID + cacheStart;
finalColor = (useCustomColor) ? vec4(customColor, 1.0) : vec4(1.0);
/* Bias to reduce z fighting with the path */
gl_Position.z -= 1e-4;
if (showKeyFrames) {
if ((flag & MOTIONPATH_VERT_KEY) != 0) {
gl_PointSize = float(pointSize + 5);
finalColor = colorVertexSelect;
/* Bias more to get these on top of regular points */
gl_Position.z -= 1e-4;
}
/* Draw big green dot where the current frame is.
* NOTE: this is only done when keyframes are shown, since this adds similar types of clutter
*/
if (frame == frameCurrent) {
gl_PointSize = float(pointSize + 8);
finalColor = colorCurrentFrame;
/* Bias more to get these on top of keyframes */
gl_Position.z -= 1e-4;
}
}
}
|