vec3 reflectdir = reflect( halfdir, qnorm );
oColour = mix( oColour,
vec4(texture(uTexCubemap,reflectdir).rgb * uColour.rgb, 1.0),
vec3 reflectdir = reflect( halfdir, qnorm );
oColour = mix( oColour,
vec4(texture(uTexCubemap,reflectdir).rgb * uColour.rgb, 1.0),