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Implemented dragging the ends of animation clips

This commit is contained in:
Peter Slattery 2019-12-28 11:41:00 -08:00
parent e21da76a2b
commit 27ae65fb0c
1 changed files with 30 additions and 4 deletions
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30
src/panels/foldhaus_panel_animation_timeline.h
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@ -1,6 +1,6 @@
// TODO
// [] - Moving animation blocks
// [] - dragging beginning and end of time blocks
// [x] - Moving animation blocks
// [x] - dragging beginning and end of time blocks
// [] - creating a timeblock with a specific animation
// [x] - play, pause, stop,
// [] - setting the start and end of the animation system
@ -24,6 +24,15 @@ GetFrameFromPointInAnimationPanel (v2 Point, rect PanelBounds, s32 StartFrame, s
return FrameAtPoint;
}
inline s32
GetXPositionFromTimeInAnimationPanel (r32 Time, rect PanelBounds, s32 StartFrame, s32 EndFrame, r32 SecondsPerFrame)
{
r32 StartFrameTime = (r32)StartFrame * SecondsPerFrame;
r32 EndFrameTime = (r32)EndFrame * SecondsPerFrame;
s32 XPositionAtTime = GSRemap(Time, StartFrameTime, EndFrameTime, PanelBounds.Min.x, PanelBounds.Max.x);
return XPositionAtTime;
}
internal void
DeleteAnimationBlock(animation_block_handle AnimationBlockHandle, app_state* State)
{
@ -55,6 +64,8 @@ FOLDHAUS_INPUT_COMMAND_PROC(DeleteAnimationBlockCommand)
// Drag Animation Clip
//
#define CLICK_ANIMATION_BLOCK_EDGE_MAX_SCREEN_DISTANCE 10
OPERATION_STATE_DEF(drag_animation_clip_state)
{
r32 AnimationPanel_StartFrame;
@ -70,13 +81,28 @@ OPERATION_RENDER_PROC(UpdateDragAnimationClip)
panel_and_bounds AnimationPanel = GetPanelContainingPoint(Mouse.DownPos, &State->PanelLayout, State->WindowBounds);
Assert(AnimationPanel.Panel);
s32 ClipInitialStartTimeXPosition = GetXPositionFromTimeInAnimationPanel(OpState->SelectedClip_InitialStartTime, AnimationPanel.Bounds, OpState->AnimationPanel_StartFrame, OpState->AnimationPanel_EndFrame, State->AnimationSystem.SecondsPerFrame);
s32 ClipInitialEndTimeXPosition = GetXPositionFromTimeInAnimationPanel(OpState->SelectedClip_InitialEndTime, AnimationPanel.Bounds, OpState->AnimationPanel_StartFrame, OpState->AnimationPanel_EndFrame, State->AnimationSystem.SecondsPerFrame);
r32 TimeAtMouseDownX = GetTimeFromPointInAnimationPanel(Mouse.DownPos, AnimationPanel.Bounds, OpState->AnimationPanel_StartFrame, OpState->AnimationPanel_EndFrame, State->AnimationSystem.SecondsPerFrame);
r32 TimeAtMouseX = GetTimeFromPointInAnimationPanel(Mouse.Pos, AnimationPanel.Bounds, OpState->AnimationPanel_StartFrame, OpState->AnimationPanel_EndFrame, State->AnimationSystem.SecondsPerFrame);
r32 TimeOffset = TimeAtMouseX - TimeAtMouseDownX;
animation_block* AnimationBlock = GetAnimationBlockWithHandle(State->SelectedAnimationBlockHandle, &State->AnimationSystem);
if (GSAbs(Mouse.DownPos.x - ClipInitialStartTimeXPosition) < CLICK_ANIMATION_BLOCK_EDGE_MAX_SCREEN_DISTANCE)
{
AnimationBlock->StartTime = OpState->SelectedClip_InitialStartTime + TimeOffset;
}
else if (GSAbs(Mouse.DownPos.x - ClipInitialEndTimeXPosition) < CLICK_ANIMATION_BLOCK_EDGE_MAX_SCREEN_DISTANCE)
{
AnimationBlock->EndTime = OpState->SelectedClip_InitialEndTime + TimeOffset;
}
else
{
AnimationBlock->StartTime = OpState->SelectedClip_InitialStartTime + TimeOffset;
AnimationBlock->EndTime = OpState->SelectedClip_InitialEndTime + TimeOffset;
}
}
FOLDHAUS_INPUT_COMMAND_PROC(EndDragAnimationClip)