| precision mediump float; | |
| attribute vec4 a_position; | |
| attribute vec2 a_texCoord; | |
| attribute vec3 a_triangleCoord; | |
| uniform mat4 u_projectionMatrix; | |
| varying vec2 v_texCoord; | |
| void main() | |
| { | |
| // a_triangleCoord.xy is the position of the tile in the mesh, so we offset the vertices | |
| // with the position in mesh. The tiles should be detached from each other. | |
| gl_Position = u_projectionMatrix * (a_position + vec4(a_triangleCoord.x / 4.0, a_triangleCoord.y / 4.0, 0.0, 0.0)); | |
| v_texCoord = a_texCoord; | |
| } |