Lets supose i want to represent some geometry with a collection of N points where 3 consecutive points represent a triangle (for example 0,1,3 is first triangle and 4,5,6 is the second), N colors, N texcoord points and N normals. Each index refers to the same point. So i have a class called for example Geometry with methods getCoord(i, Point p); getColor(i, Color c); getTexCoord(i, Point p) and finnaly getNormal(i, Vector v).
public class Geometry {
private ? coords
private ? texCoords
private ? normals
private ? colors
public void getCoord(int i, Point p) { ... }
public void getTexCoord(int i, Point p) { ... }
public void getColor(int i, Color c) { ... }
public void getNormal(int i, Vector v) { ... }
public void setCoord(int i, Point p) { ... }
public void setTexCoord(int i, Point p) { ... }
public void setColor(int i, Color c) { ... }
public void setNormal(int i, Vector v) { ... }
}
Im considering several possibilities to store geometry data.
Use javax.vecmath data structures with arrays:
public Point3f[] coords = { new Point3f(0f,0f,0f), ... };
Use javax.vecmath data structures with ArrayLists:
public ArrayList<Point3f> coords;
Use an array of an array of floats:
public float[][] coords = { {0f, 0f, 0f}, ... };
Use a linear array:
public float[] coords = { 0f, 0f, 0f, ... };
Use an array of nio buffers instead of an array of float arrays.
Use a niobuffer instead of a linear float array.
Use a varient of Point3f implemented with a nio buffer. Something like Point3fBuffer.
What would be the most efficient method in general and the better to use with jogl in particular in order to store all the geometry data?