Struct Context

Source

pub struct Context<'a> {
    pub dt: f64,
    pub mouse_x: f64,
    pub mouse_y: f64,
    /* private fields */
}

Fields§

§dt: f64§mouse_x: f64§mouse_y: f64

Implementations§

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impl<'a> Context<'a>

Source

pub fn width(&self) -> f64

Examples found in repository ?

examples/mouse.rs (line 9)

3fn main() {
4    jp::create_window("Test", 150, 150)
5        .draw(|mut g, c| {
6            g.rectangle(
7                c.state()
8                .fill([1.0, 1.0, 1.0, 1.0]),
9                c.width(),
10                c.height()
11                );
12            g.rectangle(
13                c.state()
14                .translate(c.mouse_x, c.mouse_y)
15                .fill([1.0, 0.0, 0.0, 1.0]),
16                50.0, 50.0);
17        })
18        .run();
19}

More examples

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examples/most_basic.rs (line 8)

3fn main() {
4    jp::create_window("Test", 150, 150)
5        .draw(|mut g, c| {
6            g.rectangle(
7                c.state()
8                .translate(c.width() / 2.0, c.height() / 2.0)
9                .fill([1.0, 0.0, 0.0, 1.0]),
10                50, 50);
11            g.ellipse(
12                c.state()
13                .translate(c.width() / 2.0, c.height() / 2.0)
14                .fill([0.0, 1.0, 0.0, 1.0]),
15                50, 50);
16        })
17        .run();
18}

examples/spinning.rs (line 12)

5fn main() {
6    let mut angle = 0.0;
7    jp::create_window("Test", 150, 150)
8        .draw(move |mut g, c| {
9            g.rectangle(
10                c.state()
11                .fill([1.0, 1.0, 1.0, 1.0]),
12                c.width(),
13                c.height()
14                );
15            g.rectangle(
16                c.state()
17                .translate(c.width() / 2.0, c.height() / 2.0)
18                .rotate(angle)
19                .translate(-RADIUS, -RADIUS)
20                .fill([1.0, 0.0, 0.0, 1.0])
21                .stroke([0.0, 1.0, 0.0, 1.0]),
22                RADIUS * 2.0, RADIUS * 2.0);
23            angle += c.dt * 3.0;
24        })
25        .run();
26}

examples/keyboard.rs (line 11)

3fn main() {
4    let mut pos_x = 75.0;
5    let mut pos_y = 75.0;
6    jp::create_window("Test", 150, 150)
7        .draw(move |mut g, c| {
8            g.rectangle(
9                c.state()
10                .fill([1.0, 1.0, 1.0, 1.0]),
11                c.width(),
12                c.height()
13                );
14            g.rectangle(
15                c.state()
16                .translate(pos_x, pos_y)
17                .fill([1.0, 0.0, 0.0, 1.0]),
18                50.0, 50.0);
19            let speed = c.dt * 40.0;
20            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Left)) {
21                pos_x -= speed;
22            }
23            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Right)) {
24                pos_x += speed;
25            }
26            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Up)) {
27                pos_y -= speed;
28            }
29            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Down)) {
30                pos_y += speed;
31            }
32        })
33        .run();
34}

Source

pub fn height(&self) -> f64

Examples found in repository ?

examples/mouse.rs (line 10)

3fn main() {
4    jp::create_window("Test", 150, 150)
5        .draw(|mut g, c| {
6            g.rectangle(
7                c.state()
8                .fill([1.0, 1.0, 1.0, 1.0]),
9                c.width(),
10                c.height()
11                );
12            g.rectangle(
13                c.state()
14                .translate(c.mouse_x, c.mouse_y)
15                .fill([1.0, 0.0, 0.0, 1.0]),
16                50.0, 50.0);
17        })
18        .run();
19}

More examples

Hide additional examples

examples/most_basic.rs (line 8)

3fn main() {
4    jp::create_window("Test", 150, 150)
5        .draw(|mut g, c| {
6            g.rectangle(
7                c.state()
8                .translate(c.width() / 2.0, c.height() / 2.0)
9                .fill([1.0, 0.0, 0.0, 1.0]),
10                50, 50);
11            g.ellipse(
12                c.state()
13                .translate(c.width() / 2.0, c.height() / 2.0)
14                .fill([0.0, 1.0, 0.0, 1.0]),
15                50, 50);
16        })
17        .run();
18}

examples/spinning.rs (line 13)

5fn main() {
6    let mut angle = 0.0;
7    jp::create_window("Test", 150, 150)
8        .draw(move |mut g, c| {
9            g.rectangle(
10                c.state()
11                .fill([1.0, 1.0, 1.0, 1.0]),
12                c.width(),
13                c.height()
14                );
15            g.rectangle(
16                c.state()
17                .translate(c.width() / 2.0, c.height() / 2.0)
18                .rotate(angle)
19                .translate(-RADIUS, -RADIUS)
20                .fill([1.0, 0.0, 0.0, 1.0])
21                .stroke([0.0, 1.0, 0.0, 1.0]),
22                RADIUS * 2.0, RADIUS * 2.0);
23            angle += c.dt * 3.0;
24        })
25        .run();
26}

examples/keyboard.rs (line 12)

3fn main() {
4    let mut pos_x = 75.0;
5    let mut pos_y = 75.0;
6    jp::create_window("Test", 150, 150)
7        .draw(move |mut g, c| {
8            g.rectangle(
9                c.state()
10                .fill([1.0, 1.0, 1.0, 1.0]),
11                c.width(),
12                c.height()
13                );
14            g.rectangle(
15                c.state()
16                .translate(pos_x, pos_y)
17                .fill([1.0, 0.0, 0.0, 1.0]),
18                50.0, 50.0);
19            let speed = c.dt * 40.0;
20            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Left)) {
21                pos_x -= speed;
22            }
23            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Right)) {
24                pos_x += speed;
25            }
26            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Up)) {
27                pos_y -= speed;
28            }
29            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Down)) {
30                pos_y += speed;
31            }
32        })
33        .run();
34}

Source

pub fn state(&self) -> DrawState

Examples found in repository ?

examples/mouse.rs (line 7)

3fn main() {
4    jp::create_window("Test", 150, 150)
5        .draw(|mut g, c| {
6            g.rectangle(
7                c.state()
8                .fill([1.0, 1.0, 1.0, 1.0]),
9                c.width(),
10                c.height()
11                );
12            g.rectangle(
13                c.state()
14                .translate(c.mouse_x, c.mouse_y)
15                .fill([1.0, 0.0, 0.0, 1.0]),
16                50.0, 50.0);
17        })
18        .run();
19}

More examples

Hide additional examples

examples/most_basic.rs (line 7)

3fn main() {
4    jp::create_window("Test", 150, 150)
5        .draw(|mut g, c| {
6            g.rectangle(
7                c.state()
8                .translate(c.width() / 2.0, c.height() / 2.0)
9                .fill([1.0, 0.0, 0.0, 1.0]),
10                50, 50);
11            g.ellipse(
12                c.state()
13                .translate(c.width() / 2.0, c.height() / 2.0)
14                .fill([0.0, 1.0, 0.0, 1.0]),
15                50, 50);
16        })
17        .run();
18}

examples/spinning.rs (line 10)

5fn main() {
6    let mut angle = 0.0;
7    jp::create_window("Test", 150, 150)
8        .draw(move |mut g, c| {
9            g.rectangle(
10                c.state()
11                .fill([1.0, 1.0, 1.0, 1.0]),
12                c.width(),
13                c.height()
14                );
15            g.rectangle(
16                c.state()
17                .translate(c.width() / 2.0, c.height() / 2.0)
18                .rotate(angle)
19                .translate(-RADIUS, -RADIUS)
20                .fill([1.0, 0.0, 0.0, 1.0])
21                .stroke([0.0, 1.0, 0.0, 1.0]),
22                RADIUS * 2.0, RADIUS * 2.0);
23            angle += c.dt * 3.0;
24        })
25        .run();
26}

examples/keyboard.rs (line 9)

3fn main() {
4    let mut pos_x = 75.0;
5    let mut pos_y = 75.0;
6    jp::create_window("Test", 150, 150)
7        .draw(move |mut g, c| {
8            g.rectangle(
9                c.state()
10                .fill([1.0, 1.0, 1.0, 1.0]),
11                c.width(),
12                c.height()
13                );
14            g.rectangle(
15                c.state()
16                .translate(pos_x, pos_y)
17                .fill([1.0, 0.0, 0.0, 1.0]),
18                50.0, 50.0);
19            let speed = c.dt * 40.0;
20            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Left)) {
21                pos_x -= speed;
22            }
23            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Right)) {
24                pos_x += speed;
25            }
26            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Up)) {
27                pos_y -= speed;
28            }
29            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Down)) {
30                pos_y += speed;
31            }
32        })
33        .run();
34}

Source

pub fn is_pressed(&self, button: Button) -> bool

Examples found in repository ?

examples/keyboard.rs (line 20)

3fn main() {
4    let mut pos_x = 75.0;
5    let mut pos_y = 75.0;
6    jp::create_window("Test", 150, 150)
7        .draw(move |mut g, c| {
8            g.rectangle(
9                c.state()
10                .fill([1.0, 1.0, 1.0, 1.0]),
11                c.width(),
12                c.height()
13                );
14            g.rectangle(
15                c.state()
16                .translate(pos_x, pos_y)
17                .fill([1.0, 0.0, 0.0, 1.0]),
18                50.0, 50.0);
19            let speed = c.dt * 40.0;
20            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Left)) {
21                pos_x -= speed;
22            }
23            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Right)) {
24                pos_x += speed;
25            }
26            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Up)) {
27                pos_y -= speed;
28            }
29            if c.is_pressed(jp::input::Button::Keyboard(jp::input::Key::Down)) {
30                pos_y += speed;
31            }
32        })
33        .run();
34}

Auto Trait Implementations§

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impl<'a> UnwindSafe for Context<'a>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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