Hand-drawn animation motion paths for presentation slides
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Solution Overview
Problem
Presentation applications often limit animation motion paths to predefined linear shapes, restricting users' ability to create visually engaging animations for objects on slides, as they lack flexibility and creativity in path design.
Innovation Solution
The implementation of hand-drawn motion paths using freehand or straight line tools allows users to create custom motion paths for objects on presentation slides, enabling seamless or noticeable transitions between path segments, and providing editing options to modify and extend existing paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If predefined motion paths are used, then the animation path is simple to implement, but the path shape options are limited and lack flexibility
Solution Approach 1:
The motion path transitions from a static predefined shape to a dynamic freehand-drawn path that can be customized by the user. The system allows users to draw arbitrary motion paths using a freehand tool, enabling the path to adapt to any desired shape while maintaining ease of use through an intuitive drawing interface.
Solution Approach 2:
The system changes the fundamental parameter of motion path definition from selecting from predefined shapes to freely drawing custom paths. This parameter change enables unlimited path shape options while maintaining simplicity through a direct drawing interaction model.
2Adaptability or versatility
If freehand motion paths are drawn, then the path flexibility is improved, but the path precision and smoothness may be reduced
Solution Approach 1:
The system introduces an intermediary processing step between the user's freehand drawing and the final motion path. The freehand drawing is processed through smoothing algorithms and path optimization techniques that eliminate jagged edges and irregularities, producing a smooth final path while preserving the user's intended shape.
Solution Approach 2:
The system performs preliminary processing on the freehand-drawn path before it is finalized. The drawing is pre-smoothed and refined using algorithms that automatically correct imperfections, ensuring that the final motion path is both flexible and smooth without requiring the user to manually perfect their drawing.
3Adaptability or versatility
If motion paths are extended with new segments, then the animation complexity is improved, but the transition smoothness between segments may be compromised
Solution Approach 1:
The motion path is divided into multiple segments that can be independently drawn and managed. Each segment can be created using freehand or straight line tools, and the system provides mechanisms to join segments together. The segmentation allows for complex multi-stage animations while maintaining the ability to control transitions between segments.
Solution Approach 2:
The system provides dynamic control over segment transitions, allowing users to choose between seamless transitions and noticeable transitions with key frames. This dynamic approach enables the animation to adapt to the desired level of complexity while maintaining smoothness where needed and introducing deliberate transitions where intended.
Data Source
AI summary
Techniques are provided for hand drawing an animation motion path for an object to follow on a graphical user interface (GUI). The motion path may be drawn with a user's finger or drawing device, such as an Apple Pencil®, by selecting a drawing tool (e.g., a freehand tool and/or straight line tool). A new motion path may be added to an existing motion path, such that the new motion path is an extension of the existing motion path. The new motion path may also be added to an end point of an existing motion path, such that the new motion path is a different segment of a motion path and is associated with a new key frame. A motion path segment may be split into additional segments with new key frames, reshaped using editing points, redrawn, and/or deleted from the overall motion path.