attribute float a_stickerIndex;
attribute vec4 position;
attribute vec2 inputTextureCoordinate;
attribute vec4 aColor;

varying vec2 vTexCoords;
varying vec4 vColor;
varying float stickerIndex;

void main() {
    gl_Position = position;
    vTexCoords  = inputTextureCoordinate;
    vColor = aColor;
    stickerIndex = a_stickerIndex;
}