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restructure embedded animations to allow simultaneous play

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This commit is contained in:
Nick Fisher
2022-08-13 12:52:53 +10:00
parent e51577cf6b
commit 7d24621925
5 changed files with 131 additions and 72 deletions
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43
ios/src/SceneResources.hpp
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@@ -51,15 +51,44 @@ namespace polyvox {
typedef std::chrono::time_point<std::chrono::high_resolution_clock> time_point_t;
//
// Holds the current state of a bone animation embeded in a GLTF asset.
// Holds the current state of a bone animation embeded in a GLTF asset.
// Currently, an instance will be constructed for every animation in an asset whenever a SceneAsset is created (and thus will persist for the lifetime of the SceneAsset).
//
struct BoneAnimationStatus {
BoneAnimationStatus(int animationIndex, float duration, bool loop) : animationIndex(animationIndex), duration(duration), loop(loop) {}
bool hasStarted = false;
int animationIndex;
float duration = 0;
time_point_t lastTime;
struct EmbeddedAnimationStatus {
EmbeddedAnimationStatus(int animationIndex, float duration, bool loop) : animationIndex(animationIndex), duration(duration), loop(loop) {}
//
// A flag that is checked each frame to determine whether or not the animation should play.
//
bool play;
//
// If [play] is true, this flag will be checked when the animation is complete. If true, the animation will restart.
//
bool loop;
//
// If [play] is true, this flag will be set to true when the animation is started.
//
bool started = false;
//
// The index of the animation in the GLTF asset.
//
int animationIndex;
//
// The duration of the animation (calculated from the GLTF animator).
//
float duration = 0;
//
// The time point at which this animation was last started.
// This is used to calculate the "animation time offset" that is passed to the Animator.
//
time_point_t startedAt;
};
//