typedef struct Relativity {
    char xzOffset;
    char yOffset;
    int distance;
} Relativity_t;

void lcars_RenderViewScreen(void){
    char i;
    int vWidth = 228, vHeight = 173;
    for( i = 0; i <= (sizeof(MapData)/sizeof(MapObject_t)); i++){
        MapObject_t *object = &MapData[i];
        if( object->type == OBJ_SHIP || object->type == OBJ_PROJ ){
            Relativity_t data;
            GetOffsets(&data, object->Position.coords[0] - PlayerData->Position.coords[0], object->Position.coords[1] - PlayerData->Position.coords[1], object->Position.coords[2] - PlayerData->Position.coords[2]);
            if( data.distance <= VISUAL_RANGE ){
                unsigned char diffXZ, diffY;

                diffXZ = data.xzOffset - PlayerData->Position.angles[0];
                if( diffXZ > 128 ) diffXZ = 256 - diffXZ;
                diffY = data.yOffset - PlayerData->Position.angles[1];
                if( diffY > 128 ) diffY = 256 - diffY;

                if( (diffXZ <= 45) && (diffY <= 45) ){
                    char tempXZ, tempY;
                    int xcoord = data.xzOffset - PlayerData->Position.angles[0] + 45;
                    char ycoord = data.yOffset - PlayerData->Position.angles[1] + 45;
                    int scale = 10 * data.distance / VISUAL_RANGE;
                    scale = 11 - scale;
                    scale += (scale == 0);
                    xcoord = (xcoord * vWidth) / 91;
                    ycoord = (ycoord * vHeight) / 91;
                    if(object->type == OBJ_SHIP)
                        gfx_ScaledTransparentSprite_NoClip(sprite_BorgSphere, xcoord, ycoord, scale, scale);
                    if(object->type == OBJ_PROJ)
                        gfx_ScaledTransparentSprite_NoClip(sprite_Phaser, xcoord, ycoord, scale, scale);
                }
            }
        }
    }
}

void GetOffsets( Relativity_t *data, int delta_x, int delta_y, int delta_z){
    int xzangle = atan( delta_y / delta_z );
    int yangle = atan( delta_x / delta_z );
    double partDist = (delta_x * delta_x) + (delta_y * delta_y) + (delta_z * delta_z);
    data->xzOffset = 255 * xzangle / 360;
    data->yOffset = 255 * yangle / 360;
    data->distance = sqrt(partDist);
}