nenuzhno-engine_iter1/assets/vol_light/shaders/volLight.vs

21 lines
397 B
GLSL

#version 100
precision highp float;
attribute vec4 a_position;
varying vec4 v_position;
varying vec3 v_viewDir;
varying vec4 v_coord;
varying vec4 v_cameraPos;
uniform mat4 u_mvpMtx;
uniform mat4 u_modelMtx;
uniform vec3 u_cameraPos;
void main(){
gl_Position = u_mvpMtx * a_position;
v_coord = gl_Position;
v_position = (u_modelMtx*a_position);
v_viewDir = u_cameraPos - v_position.xyz;
}