Struct RuntimeFrameContext 

#[non_exhaustive]
pub struct RuntimeFrameContext {
    pub dt: f32,
    pub camera: Camera,
    pub viewport_size: Vec2,
    pub input: ActionFrame,
    pub pick_hit: Option<PickHit>,
    pub clicked: bool,
    pub drag_started: bool,
    pub dragging: bool,
    pub pointer_delta: Vec2,
    pub cursor_viewport: Option<Vec2>,
    pub shift_held: bool,
}

Per-frame inputs to super::ViewportRuntime::step.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

dt: f32

Wall-clock delta time in seconds since the last frame.

camera: Camera

Current camera state.

viewport_size: Vec2

Viewport dimensions in logical pixels.

input: ActionFrame

Resolved input actions for this frame.

pick_hit: Option<PickHit>

Pick result under the cursor for this frame. Supply from CPU or GPU picking. None if no picking was done or nothing was hit.

clicked: bool

True on the frame the primary pointer button was clicked (pressed and released without drag).

drag_started: bool

True on the frame a primary drag began.

dragging: bool

True while a primary drag is ongoing.

pointer_delta: Vec2

Pointer movement in viewport pixels since last frame.

cursor_viewport: Option<Vec2>

Cursor position in viewport-local pixels. None when outside the viewport.

shift_held: bool

True when the shift modifier is held (for shift-click multi-select).

Trait Implementations

impl Default for RuntimeFrameContext

fn default() -> RuntimeFrameContext

Returns the “default value” for a type.