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GMU:Tutorials/Performance Platform/Measuring Motion with Processing (view source)
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*Groups of persons mode: Measuring the pairwise distances between root nodes of three persons.<br> | *Groups of persons mode: Measuring the pairwise distances between root nodes of three persons.<br> | ||
== Process: == | == Process: == | ||
1. Collecting the correlative data for the speed: Through the connecting of OSC and Motion Tracking platform, the root position and the updated data of one person could be obtained. The shifting distance and the relevant time decides the speed of the root node. | '''1. Collecting the correlative data for the speed:''' Through the connecting of OSC and Motion Tracking platform, the root position and the updated data of one person could be obtained. The shifting distance and the relevant time decides the speed of the root node. | ||
<br> | <br> | ||
<source lang="java"> | <source lang="java"> | ||
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} | } | ||
</source> | </source> | ||
2. The shifting distance and the relevant time decides the speed of the root node. <br> | '''2. The shifting distance and the relevant time decides the speed of the root node.''' <br> | ||
<source lang="java"> | <source lang="java"> | ||
float speed (Sphere sphere1) | float speed (Sphere sphere1) | ||
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} | } | ||
</source> | </source> | ||
3.Calculating the distance between two root points. | '''3.Calculating the distance between two root points.''' | ||
<source lang="java"> | <source lang="java"> | ||
float distance (Sphere sphere1,Sphere sphere2) | float distance (Sphere sphere1,Sphere sphere2) | ||
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} | } | ||
</source> | </source> | ||
4.Calculating the area of the triangle make up by three root points. | '''4.Calculating the area of the triangle make up by three root points.''' | ||
<source lang="java"> | <source lang="java"> | ||
float triangleSize(Sphere sphere1,Sphere sphere2,Sphere sphere3) | float triangleSize(Sphere sphere1,Sphere sphere2,Sphere sphere3) | ||
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Three root positions could form a triangle in the space. With the help of Heron’s formula, the area of the triangle could be calculated. | Three root positions could form a triangle in the space. With the help of Heron’s formula, the area of the triangle could be calculated. | ||
5.According to the speed, distance, area giving different background color. | '''5.According to the speed, distance, area giving different background color.''' | ||
<source lang="java"> | <source lang="java"> | ||
//the maximum area is 6*6/2=18m^2,mapping the value of the area to the color of the background | //the maximum area is 6*6/2=18m^2,mapping the value of the area to the color of the background | ||