Khan Academy
Khan Academy: 4. Squash and Stretch
Let's breathe some life into our ball using a key animation principle: squash and stretch.
Khan Academy
Khan Academy: 4. Functions
Next you'll use functions to *store* your deformer functions. Click here to review functions. Click here to review geometric transformations.
Khan Academy
Khan Academy: Camera Lenses
Now we'll add a lens to our camera and explore the idea of an f-stop.
Khan Academy
Khan Academy: Algebra of Focus
In this video we develop a formula which tells us how big the circles of confusion are when an object is out of focus.
Khan Academy
Khan Academy: Case Study: The Good Dinosaur
Find out how hair simulation tools were used in the film the Good Dinosaur.
Khan Academy
Khan Academy: 6. Composite Transformations
Time to get a little mathy. Let's look at the general form for any transformation.
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Khan Academy: 5. 3 D Ray Tracing Part 1
Now we are ready to ray trace in 3D. We'll look at the problem of ray triangle intersection. Click here for more detail on the plane equation.
Khan Academy
Khan Academy: 4. Using the Line Equation
Next we need to throw away the slope-intercept form and use the line equation instead. Click here to see why dividing by zero is bad. Click here to try the interactive program shown in the video.
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Khan Academy: 6. 3 D Ray Tracing Part 2
Now we just need to determine whether our intersection point is inside or outside the triangle. Click here to review weighted averages of three points.
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Khan Academy: 4. Modeling Grass
Next let's build a blade of grass using a parabolic arc as a spine. Click here to review perpendicular lines.
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Khan Academy: 6. Binomial Coefficient
Let's put everything together. Get ready for a really powerful formula: the binomial coefficient (warning: you may need to watch this a few times!)
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Khan Academy: 5. Casting Challenge
Now it's your turn to drive. In this video we'll present you with a casting challenge to complete using everything we've learned so far.
Khan Academy
Khan Academy: Animating Particles
Now we'll pull everything together and explore how we calculate the position of a particle over time (frame by frame).
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Khan Academy: Bonus: Completing the Proof
One way we can prove that we are calculating the actual touching point.
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Khan Academy: 4. How Can We Prove This?
Okay we know how to calculate the touching point, great! Next let's think about how we can prove this is true.
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Khan Academy: 4. Subdivision in 3 D
Now let's think about how subdivision would work in 3D.