| // This shader colors alternating tiles in the mesh black or green to create a checkboard pattern. | |
| precision mediump float; | |
| precision mediump int; | |
| attribute vec4 a_position; | |
| attribute vec3 a_triangleCoord; | |
| uniform mat4 u_projectionMatrix; | |
| varying vec4 v_mixColor; | |
| void main() | |
| { | |
| float green = mod(a_triangleCoord.x + a_triangleCoord.y, 2.0); | |
| v_mixColor = vec4(0.0, green, 0.0, 1.0); | |
| gl_Position = u_projectionMatrix * a_position; | |
| } |