You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
648 B
24 lines
648 B
#version 100
|
|
|
|
// Input vertex attributes
|
|
attribute vec3 vertexPosition;
|
|
|
|
// Input uniform values
|
|
uniform mat4 mvp;
|
|
uniform float currentTime;
|
|
|
|
// NOTE: Add here your custom variables
|
|
|
|
void main()
|
|
{
|
|
// Unpack data from vertexPosition
|
|
vec2 pos = vertexPosition.xy;
|
|
float period = vertexPosition.z;
|
|
|
|
// Calculate final vertex position (jiggle it around a bit horizontally)
|
|
pos += vec2(100.0, 0.0) * sin(period * currentTime);
|
|
gl_Position = mvp * vec4(pos.x, pos.y, 0.0, 1.0);
|
|
|
|
// Calculate the screen space size of this particle (also vary it over time)
|
|
gl_PointSize = 10.0 - 5.0 * abs(sin(period * currentTime));
|
|
}
|