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Blood Cells

Brief description:  

For this project I decided to make simulation of red blood cell using particles. The goal for this project was making blood cells floating inside the vein. I used pop source to generate particles based on imported blood cell and virus. For virus modeling, I’ve got inspired by corona virus and white blood cells. The reason that I choose red blood cell simulation for this project is because I loved how the blood cells flow like water.

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  • Render program: Redshift                                                 Average render time: 2min 30sec per frame (9hr 20min)        

  • Sample: Medium                                                                 Threshold: 0.01

  • Resolution: 1280 x 720                                                    Lights: 11 lights (7 point lights, 4 spot light)   

 

Complexity of geometry:

487f,070 (blood cell) 369,630 (virus), 76,320 (vein), 10,400 (sphere)

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Technical guide

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Blood Cell

First step to make blood cells flow inside the vein was using pop net.  Inside the pop net, using pop source I made particles to emit points simultaneously from the back of the vein. So that it looks like blood cells circulates. By using pop curve force, I made particles follow the curve path that I’ve made through curve bezier.

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Using a pop spin node, I made generator of axis which can assign direction of particle spin and   spin speed through VEX code. Finally, I used pop interact node to apply forces to particles based on closest neighbor.

Virus

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  • For the simulation of virus, I mostly did same thing only thing that I did different was adjusting values to randomize simulation between blood cells. I used attribute vop node for modeling virus. Inside the attribute vop net, I connected turbulence noise on the displacement and adjusted noise values which creates horn shape on the sphere. Then using node of vdb from polygon to make it smooth.

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