47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
use crate::math::Mat4;
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use bevy_property::Properties;
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use std::fmt;
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#[derive(Debug, PartialEq, Clone, Copy, Properties)]
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pub struct Transform {
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pub value: Mat4,
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pub sync: bool, // NOTE: this is hopefully a temporary measure to allow setting the transform directly.
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// ideally setting the transform automatically propagates back to position / translation / rotation,
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// but right now they are always considered the source of truth
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}
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impl Transform {
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#[inline(always)]
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pub fn identity() -> Self {
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Transform {
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value: Mat4::identity(),
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sync: true,
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}
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}
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#[inline(always)]
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pub fn new(value: Mat4) -> Self {
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Transform { value, sync: true }
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}
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/// This creates a new `LocalToWorld` transform with the `sync` field set to `false`.
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/// While `sync` is false, position, rotation, and scale components will not be synced to the transform.
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/// This is helpful if you want to manually set the transform to a value (ex: Mat4::look_at_rh)
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#[inline(always)]
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pub fn new_sync_disabled(value: Mat4) -> Self {
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Transform { value, sync: false }
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}
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}
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impl Default for Transform {
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fn default() -> Self {
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Self::identity()
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}
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}
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impl fmt::Display for Transform {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}", self.value)
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}
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}
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