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Commit 386c486c authored May 09, 2025 by Omar Miatello

[MM] Nudge immediately when we reach a breakpoint

Test: Rerun all mechanics tests
Bug: 416691631
Flag: com.android.systemui.scene_container
Change-Id: I745d57117e94e3808c29f16c231b801711b2ba4a

parent a8085ae0

mechanics/src/com/android/mechanics/impl/Computations.kt

+12 −12

Original line number	Diff line number	Diff line
		@@ -481,13 +481,6 @@ internal abstract class Computations : CurrentFrameInput, LastFrameState, Static
		guaranteeState.updatedSpringParameters(lastBreakpoint)
		}

		springState =
		springState.calculateUpdatedState(
		nextBreakpointCrossTime - lastAnimationTime,
		springParameters,
		)
		lastAnimationTime = nextBreakpointCrossTime

		val mappingBefore = mappings[segmentIndex]
		val beforeBreakpoint = mappingBefore.map(nextBreakpoint.position)
		val mappingAfter = mappings[segmentIndex + directionOffset]
		@@ -505,7 +498,18 @@ internal abstract class Computations : CurrentFrameInput, LastFrameState, Static
		" after: $afterBreakpoint (mapping: $mappingAfter)",
		)
		}
		hasJumped = hasJumped \|\| delta != 0f

		if (!hasJumped && delta != 0f) {
		hasJumped = true
		springState = springState.nudge(velocityDelta = directMappedVelocity)
		}

		springState =
		springState.calculateUpdatedState(
		nextBreakpointCrossTime - lastAnimationTime,
		springParameters,
		)
		lastAnimationTime = nextBreakpointCrossTime

		if (deltaIsFinite) {
		springState = springState.nudge(displacementDelta = -delta)
		@@ -530,10 +534,6 @@ internal abstract class Computations : CurrentFrameInput, LastFrameState, Static
		}
		}

		if (hasJumped) {
		springState = springState.nudge(velocityDelta = directMappedVelocity)
		}

		val tightened = guarantee.updatedSpringParameters(segment.entryBreakpoint)

		DiscontinuityAnimation(springState, tightened, lastAnimationTime)

mechanics/tests/goldens/magneticDetach_afterAttach_detachesAgain.json

+39 −39

Original line number	Diff line number	Diff line
		@@ -214,25 +214,25 @@
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		@@ -245,26 +245,26 @@
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mechanics/tests/goldens/magneticDetach_attach_snapsToOrigin.json

+24 −24

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		@@ -133,30 +133,30 @@
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		},

mechanics/tests/goldens/magneticDetach_detach_animatesDetach.json

+20 −20

Original line number	Diff line number	Diff line
		@@ -153,26 +153,26 @@
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mechanics/tests/goldens/magneticDetach_placedWithDifferentBaseMapping.json

+28 −28

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		@@ -129,34 +129,34 @@
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