Using 3 tools to create dialog on canvas.

Creating both direction illusion by "value" "color" "edges" .

Sense of space between tree poles by using concept of light crossing.

Light crossing the tree poles create 3 different spaces in between.

縮時影片

Find color temperature and edges to form a concept.

Light crossing the tree poles

A design of background to make frog jump out from canvas.

Change background with light crossing concept.

Flashing color could use complementary color, It is on opposite position on color wheel .