Raytracing

More documents

Recommendations

Info

Intersect Functionbool Intersect(const CRay &p_ray, // The ray we are testingdouble p_maxt, // The maximum allowable tconst Object *p_ignore, // A polygon to ignoreconst Object *&p_object, // Object we hit (return)double &p_t,// Distance to intersection (return)CGrPoint &p_intersect); // Intersection point (return)CSE 472 Spring 201315Intersect Functionbool Intersect(const CRay &p_ray, // The ray we are testingdouble p_maxt, // The maximum allowable tconst Object *p_ignore, // A polygon to ignoreconst Object *&p_object, // Object we hit (return)double &p_t,// Distance to intersection (return)CGrPoint &p_intersect); // Intersection point (return)What is the use for p_maxt?CSE 472 Spring 201316
SummaryConstruct a shadow feeler ray• Starts at intersection, direction is towards lightShoot ray at light (intersection test)• Set ignore to ignore the polygon ourintersection point is on.• Set maxt to the distance to the light.If we get an intersection, we are shadowedCSE 472 Spring 201317Next amazing thingCSE 472 Spring 201318
Page 4 and 5: How do we get shadows?What is diffe
Page 6 and 7: Problems w/ numerical precisionCSE
Page 10 and 11: Aliasing, aka “Jaggies”Why does
Page 12 and 13: Characteristics of the Human EyeRec
Page 14 and 15: Instead of one raythough the center
Page 16 and 17: uniform random numbersFirst idea is
Page 18 and 19: Poisson Distributions10.90.810.90.8
Page 20 and 21: Poisson is French for “Fish”CSE
Page 22 and 23: 4x AntialiasingCSE 472 Spring 20134
Page 24 and 25: Next?CSE 472 Spring 201347Reflectio
Page 26 and 27: Recursion issuesDon’t recurse if
Page 28 and 29: How do we solve this problem?All to
Page 30 and 31: RayColor with PenumbraCPoisson2D po
Page 32 and 33: Putting it all togetherWe have thre
Page 34 and 35: Stochastic Ray TracingProblem with
Page 36 and 37: Photon map•Photon by light-based

Raytracing

Create successful ePaper yourself

Delete template?

Save as template?