fn with_random_inputs(rng: &mut StdRng, win_width: u32, win_height: u32) -> Particle {
        let x_pos_range = Range::new(0f32, win_width as f32);
        let y_pos_range = Range::new(0f32, win_height as f32);
        let vel_range = Range::new(-10f32, 10f32);
        let color_range = Range::new(0f32, 1f32);
        let thickness_range = Range::new(1u32, 6u32);
        let shape_range = Range::new(0, 2);
        let dim_range = Range::new(20f32, 100f32);
        let angle_range = Range::new(0f32, 2f32*f32::consts::PI);

        let position = (x_pos_range.ind_sample(rng), y_pos_range.ind_sample(rng));
        let velocity = (vel_range.ind_sample(rng), vel_range.ind_sample(rng));
        let stroke = ((color_range.ind_sample(rng),
                       color_range.ind_sample(rng),
                       color_range.ind_sample(rng)),
                      thickness_range.ind_sample(rng));
        let fill_color = (color_range.ind_sample(rng),
                          color_range.ind_sample(rng),
                          color_range.ind_sample(rng));
        let dim = (dim_range.ind_sample(rng), dim_range.ind_sample(rng));
        let angle = angle_range.ind_sample(rng);
        let shape =  if shape_range.ind_sample(rng) == 0 {
            ParticleShape::Circle { diameter: dim.0 }
        } else {
            ParticleShape::Rectangle { width: dim.0, height: dim.1, angle: angle }
        };
        Particle { position: position, velocity: velocity, stroke: stroke,
            fill_color: fill_color, shape: shape }
    }
// make a particle with all random attributes.
make a particle with all random attributes.
make a particle with all random attributes .
fn with_random_inputs(rng: &mut StdRng, win_width: u32, win_height: u32) -> Particle {
        let x_pos_range = Range::new(0f32, win_width as f32);
        let y_pos_range = Range::new(0f32, win_height as f32);
        let vel_range = Range::new(-10f32, 10f32);
        let color_range = Range::new(0f32, 1f32);
        let thickness_range = Range::new(1u32, 6u32);
        let shape_range = Range::new(0, 2);
        let dim_range = Range::new(20f32, 100f32);
        let angle_range = Range::new(0f32, 2f32*f32::consts::PI);
        let position = (x_pos_range.ind_sample(rng), y_pos_range.ind_sample(rng));
        let velocity = (vel_range.ind_sample(rng), vel_range.ind_sample(rng));
        let stroke = ((color_range.ind_sample(rng),
                       color_range.ind_sample(rng),
                       color_range.ind_sample(rng)),
                      thickness_range.ind_sample(rng));
        let fill_color = (color_range.ind_sample(rng),
                          color_range.ind_sample(rng),
                          color_range.ind_sample(rng));
        let dim = (dim_range.ind_sample(rng), dim_range.ind_sample(rng));
        let angle = angle_range.ind_sample(rng);
        let shape =  if shape_range.ind_sample(rng) == 0 {
            ParticleShape::Circle { diameter: dim.0 }
        } else {
            ParticleShape::Rectangle { width: dim.0, height: dim.1, angle: angle }
        };
        Particle { position: position, velocity: velocity, stroke: stroke,
            fill_color: fill_color, shape: shape }
    }
fn with_random_inputs ( rng : & mut StdRng , win_width : u32 , win_height : u32 ) -> Particle { let x_pos_range = Range :: new ( 0f32 , win_width as f32 ) ; let y_pos_range = Range :: new ( 0f32 , win_height as f32 ) ; let vel_range = Range :: new ( - 10f32 , 10f32 ) ; let color_range = Range :: new ( 0f32 , 1f32 ) ; let thickness_range = Range :: new ( 1u32 , 6u32 ) ; let shape_range = Range :: new ( 0 , 2 ) ; let dim_range = Range :: new ( 20f32 , 100f32 ) ; let angle_range = Range :: new ( 0f32 , 2f32 * f32 :: consts :: PI ) ; let position = ( x_pos_range . ind_sample ( rng ) , y_pos_range . ind_sample ( rng ) ) ; let velocity = ( vel_range . ind_sample ( rng ) , vel_range . ind_sample ( rng ) ) ; let stroke = ( ( color_range . ind_sample ( rng ) , color_range . ind_sample ( rng ) , color_range . ind_sample ( rng ) ) , thickness_range . ind_sample ( rng ) ) ; let fill_color = ( color_range . ind_sample ( rng ) , color_range . ind_sample ( rng ) , color_range . ind_sample ( rng ) ) ; let dim = ( dim_range . ind_sample ( rng ) , dim_range . ind_sample ( rng ) ) ; let angle = angle_range . ind_sample ( rng ) ; let shape = if shape_range . ind_sample ( rng ) == 0 { ParticleShape :: Circle { diameter : dim . 0 } } else { ParticleShape :: Rectangle { width : dim . 0 , height : dim . 1 , angle : angle } } ; Particle { position : position , velocity : velocity , stroke : stroke , fill_color : fill_color , shape : shape } }
make a particle with all random attributes.
make a particle with all random attributes .
rng
&mut StdRng
win_width
u32
win_height
u32
rng
&mut StdRng
win_width
u32
win_height
u32