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@li3zhen1
li3zhen1 committed Aug 21, 2024
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<div align="center">
<img alt="grape-icon" src="https://github.com/li3zhen1/Grape/assets/45376537/4ab08ea1-22e6-4fe8-ab2b-99ae325b46a6" height="96">
<img alt="grape-icon" src="https://github.com/swiftgraphs/Grape/assets/45376537/4ab08ea1-22e6-4fe8-ab2b-99ae325b46a6" height="96">
<h1 align="center">Grape</h1>

</div>
Expand All @@ -13,9 +13,9 @@
<p align="center">A Swift library for graph visualization and efficient force simulation.</p>

<picture alt="example of grape">
<source srcset="https://github.com/li3zhen1/Grape/assets/45376537/6703480d-5737-4a8e-bc08-92d8676456da" media="(prefers-color-scheme: dark)">
<source srcset="https://github.com/li3zhen1/Grape/assets/45376537/22988cfb-8e01-49b7-a55b-b476fcd9de7c" media="(prefers-color-scheme: light)">
<img src="https://github.com/li3zhen1/Grape/assets/45376537/22988cfb-8e01-49b7-a55b-b476fcd9de7c">
<source srcset="https://github.com/swiftgraphs/Grape/assets/45376537/6703480d-5737-4a8e-bc08-92d8676456da" media="(prefers-color-scheme: dark)">
<source srcset="https://github.com/swiftgraphs/Grape/assets/45376537/22988cfb-8e01-49b7-a55b-b476fcd9de7c" media="(prefers-color-scheme: light)">
<img src="https://github.com/swiftgraphs/Grape/assets/45376537/22988cfb-8e01-49b7-a55b-b476fcd9de7c">
</picture>

<br/>
Expand All @@ -28,11 +28,11 @@ This is a force directed graph visualizing [the network of character co-occurenc



https://github.com/li3zhen1/Grape/assets/45376537/d80dc797-1980-4755-85b9-18ee26e2a7ff
https://github.com/swiftgraphs/Grape/assets/45376537/d80dc797-1980-4755-85b9-18ee26e2a7ff



Source code: [Miserables.swift](https://github.com/li3zhen1/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/Miserables.swift).
Source code: [Miserables.swift](https://github.com/swiftgraphs/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/Miserables.swift).



Expand All @@ -44,11 +44,11 @@ This is the same graph as the first example, rendered in `RealityView`:



https://github.com/li3zhen1/Grape/assets/45376537/4585471e-2339-4aee-8f39-0c11fdfb6901
https://github.com/swiftgraphs/Grape/assets/45376537/4585471e-2339-4aee-8f39-0c11fdfb6901



Source code: [ForceDirectedGraph3D/ContentView.swift](https://github.com/li3zhen1/Grape/blob/main/Examples/ForceDirectedGraph3D/ForceDirectedGraph3D/ContentView.swift).
Source code: [ForceDirectedGraph3D/ContentView.swift](https://github.com/swiftgraphs/Grape/blob/main/Examples/ForceDirectedGraph3D/ForceDirectedGraph3D/ContentView.swift).


<br/>
Expand All @@ -58,11 +58,11 @@ Source code: [ForceDirectedGraph3D/ContentView.swift](https://github.com/li3zhen

Dynamical graph structure based on your input, with tap and drag gesture supports, all within 100 lines of view body.

https://github.com/li3zhen1/Grape/assets/45376537/7c75d367-d5a8-4316-813b-288b375f513b
https://github.com/swiftgraphs/Grape/assets/45376537/7c75d367-d5a8-4316-813b-288b375f513b



Source code: [MermaidVisualization.swift](https://github.com/li3zhen1/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/MermaidVisualization.swift)
Source code: [MermaidVisualization.swift](https://github.com/swiftgraphs/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/MermaidVisualization.swift)

<br/>

Expand All @@ -75,9 +75,9 @@ A 36x36 force directed lattice.

</summary>

https://github.com/li3zhen1/Grape/assets/45376537/5b76fddc-dd5c-4d35-bced-29c01269dd2b
https://github.com/swiftgraphs/Grape/assets/45376537/5b76fddc-dd5c-4d35-bced-29c01269dd2b

Source code: [Lattice.swift](https://github.com/li3zhen1/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/Lattice.swift)
Source code: [Lattice.swift](https://github.com/swiftgraphs/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/Lattice.swift)

</details>

Expand All @@ -90,9 +90,9 @@ An example rendering a ring with 60 vertices, with dragging gesture enabled.

</summary>

https://github.com/li3zhen1/Grape/assets/45376537/73213e7f-73ee-44f3-9b3e-7e58355045d2
https://github.com/swiftgraphs/Grape/assets/45376537/73213e7f-73ee-44f3-9b3e-7e58355045d2

Source code: [MyRing.swift](https://github.com/li3zhen1/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/MyRing.swift)
Source code: [MyRing.swift](https://github.com/swiftgraphs/Grape/blob/main/Examples/ForceDirectedGraphExample/ForceDirectedGraphExample/MyRing.swift)
</details>

<br/>
Expand Down Expand Up @@ -144,7 +144,7 @@ Grape ships 2 modules:
### The `Grape` module


For detailed usage, please refer to [documentation](https://li3zhen1.github.io/Grape/Grape/documentation/grape). A quick example here:
For detailed usage, please refer to [documentation](https://swiftgraphs.github.io/Grape/Grape/documentation/grape). A quick example here:

```swift
import Grape
Expand Down Expand Up @@ -183,13 +183,13 @@ struct MyGraph: View {

### The `ForceSimulation` module
<details>
<summary>Refer to the <a href="https://li3zhen1.github.io/Grape/ForceSimulation/documentation/forcesimulation/">documentation</a> or expand this section to find more about this module.
<summary>Refer to the <a href="https://swiftgraphs.github.io/Grape/ForceSimulation/documentation/forcesimulation/">documentation</a> or expand this section to find more about this module.
</summary>

`ForceSimulation` module mainly contains 3 concepts, `Kinetics`, `ForceProtocol` and `Simulation`.

<p align="center">
<img src="https://raw.githubusercontent.com/li3zhen1/Grape/main/Assets/SimulationDiagram.svg" alt="A diagram showing the relationships of `Kinetics`, `ForceProtocol` and `Simulation`. A `Simulation` contains a `Kinetics` and a `ForceProtocol`.">
<img src="https://raw.githubusercontent.com/swiftgraphs/Grape/main/Assets/SimulationDiagram.svg" alt="A diagram showing the relationships of `Kinetics`, `ForceProtocol` and `Simulation`. A `Simulation` contains a `Kinetics` and a `ForceProtocol`.">
</p>


Expand Down Expand Up @@ -245,7 +245,7 @@ for mySimulation in 0..<120 {

```

See [Example](https://github.com/li3zhen1/Grape/tree/main/Examples/ForceDirectedGraphExample) for more details.
See [Example](https://github.com/swiftgraphs/Grape/tree/main/Examples/ForceDirectedGraphExample) for more details.

</details>

Expand Down Expand Up @@ -285,7 +285,7 @@ See [Example](https://github.com/li3zhen1/Grape/tree/main/Examples/ForceDirected

#### Simulation

Grape uses simd to calculate position and velocity. Currently it takes **~0.005** seconds to iterate 120 times over the example graph(2D). (77 vertices, 254 edges, with manybody, center, collide and link forces. Release build on a M1 Max, [tested](https://github.com/li3zhen1/Grape/blob/main/Tests/ForceSimulationTests/MiserableGraphTest.swift) with command `swift test -c release`)
Grape uses simd to calculate position and velocity. Currently it takes **~0.005** seconds to iterate 120 times over the example graph(2D). (77 vertices, 254 edges, with manybody, center, collide and link forces. Release build on a M1 Max, [tested](https://github.com/swiftgraphs/Grape/blob/main/Tests/ForceSimulationTests/MiserableGraphTest.swift) with command `swift test -c release`)

For 3D simulation, it takes **~0.008** seconds for the same graph and same configs.

Expand All @@ -295,7 +295,7 @@ For 3D simulation, it takes **~0.008** seconds for the same graph and same confi
<br/>

#### KDTree
The `BufferedKDTree` from this package is **~22x** faster than `GKQuadtree` from Apple’s GameKit, according to this [test case](https://github.com/li3zhen1/Grape/blob/main/Tests/ForceSimulationTests/GKTreeCompareTest.swift). However, please note that comparing Swift structs with NSObjects is unfair, and their behaviors are different.
The `BufferedKDTree` from this package is **~22x** faster than `GKQuadtree` from Apple’s GameKit, according to this [test case](https://github.com/swiftgraphs/Grape/blob/main/Tests/ForceSimulationTests/GKTreeCompareTest.swift). However, please note that comparing Swift structs with NSObjects is unfair, and their behaviors are different.


<br/>
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