
OVERVIEW
Marked by Motion is a digital and real-time piece about progressive human impact on the environment through an interactive particle system with painting backgrounds. The digital particle system controlled by hand and body movement. The paintings change from a balanced, transitional, and degraded state. As time progresses, particle turbulence changes using data from the yearly NOAA global land and ocean average temperature departure.
PAINTINGS
acrylic paint on canvas -12" x 16"
For the landscape scenery, I chose to include mostly aquatic environments. Age is used as a metaphor for environmental change to introduce time, generational responsibility, cumulative impact, and irreversibility. I digitally collaged multiple images of habitats, water, pollution, and portraits in Procreate to create compositions.
COLOR BACKGROUNDS
Moves from blue/green to orange/red, lasting 1 minute




BALANCED
TRANSITIONAL
DEGRADED
RESET
DATASET
How much the combined average surface temperature of Earth’s land and oceans departs (warmer or cooler) from a long-term baseline average.
TOUCHDESIGNER PARTICLE SYSTEM
All components combined
I used MediaPipe to isolate the body movement. The particle system takes the shape of the body. Body and hand movement controls the optical flow of the system.
The NOAA data controls the particle turbulence and speed. I added an incrementing date timer in the bottom corner from 1850-2026.
I combined the paintings, color backgrounds, and particles together. The cycle of the three stages lasts 1 minute and then loops.
EXHIBITION SETUP



The paintings are hung at the top. The computer with the TouchDesigner file is connected to the TV. A webcam is placed at the top of the TV to capture movement.
PROCESS
EARLY IDEAS - concept and painting ideas



INITIAL HAND MOVEMENT and PARTICLE SYSTEMS
Hand camera movement is synced with particle systems
Reference image connected to particles
First hand controls the image
Second hand controls the color

PAINTINGS
BALANCED STATE




TRANSITIONAL STATE




DEGRADED STATE




INITIAL PARTICLE SYSTEM with PAINTINGS
In TouchDesigner, I used MediaPipe to sync the hand camera movement with the particle system. MediaPipe tracks hand and finger movement. For this project, I tracked the middle finger tip location to control how the particles move. To make the particles, I used a grid connected to a particle SOP. The particles are improved from the previous version because they move more smoothly, and the hand movement now allows the particles to travel through the entire screen. I colored the particles with the paintings using the multiply TOP. The paintings change every 10 seconds.




