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varying vec2 vertexUV;
varying vec3 vertexNormal;
void main(){
vertexUV = uv;
vertexNormal = normalize(normalMatrix * normal);
gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1);
}
uniform sampler2D globeTexture;
varying vec2 vertexUV;
varying vec3 vertexNormal;
void main(){
float intensity = 1.05 - dot(vertexNormal, vec3(0,0,1));
vec3 atmosphere = vec3(0.3, 0.6, 1.0) * pow(intensity, 1.5);
gl_FragColor = vec4(atmosphere + texture2D(globeTexture, vertexUV).xyz, 1.0);
}
varying vec3 vertexNormal;
void main(){
vertexNormal = normalize(normalMatrix * normal);
gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 0.9);
}
varying vec3 vertexNormal;
void main(){
float intensity = pow(0.6 - dot(vertexNormal, vec3(0,0,1.0)), 2.0);
gl_FragColor = vec4(0.3, 0.6, 1.0, 1.0) * intensity;
}