shaders.glsl

varying vec2 vUv;

uniform sampler2D getTexture1;

void main() {
    vUv = uv;
    vec4 bumpData = texture2D( getTexture1, uv );
    float displacement = 20.0 * bumpData.r * bumpData.a;

    vec3 newPosition = position + normal * displacement;

    gl_Position =  projectionMatrix * modelViewMatrix * vec4(newPosition,1.0);
}