Hit the green flag to begin. Then, press the space bar to ride down the river. Similar to reality, you'll notice that the far away trees are less vibrant than those close to you canoe. You'll also notice that the farther trees move towards you more slowly than those closer to you. In addition, the farther trees increase in size at a slower rate than those closer to you. All of these effects were achieved by scaling certain effects by the x-position of the tree clones.
By Kathleen and Rafael MAS.110