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solved exersice 05a

master
fdai7303 2 years ago
parent
e4f4bf6760
commit
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1 changed files with 42 additions and 17 deletions
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  1. 59
      src/05/vector.ts

59
src/05/vector.ts
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@ -16,6 +16,7 @@ export default class Vector {
*/
constructor(x: number, y: number, z: number, w: number) {
// TODO: Set the data member components to the given values
this.data = [x, y, z, w];
}
/**
@ -24,7 +25,7 @@ export default class Vector {
*/
get x(): number {
// TODO: Return actual value
return null;
return this.data[0];
}
/**
@ -33,6 +34,7 @@ export default class Vector {
*/
set x(val: number) {
// TODO: Set actual value
this.data[0] = val;
}
/**
@ -41,7 +43,7 @@ export default class Vector {
*/
get r(): number {
// TODO: Return actual value
return null;
return this.data[0];
}
/**
@ -50,6 +52,7 @@ export default class Vector {
*/
set r(val: number) {
// TODO: Set actual value
this.data[0] = val;
}
/**
@ -58,7 +61,7 @@ export default class Vector {
*/
get y(): number {
// TODO: Return actual value
return null;
return this.data[1];
}
/**
@ -67,6 +70,7 @@ export default class Vector {
*/
set y(val: number) {
// TODO: Set actual value
this.data[1] = val;
}
/**
@ -75,7 +79,7 @@ export default class Vector {
*/
get g(): number {
// TODO: Return actual value
return null;
return this.data[1];
}
/**
@ -84,6 +88,7 @@ export default class Vector {
*/
set g(val: number) {
// TODO: Set actual value
this.data[1] = val;
}
/**
@ -92,7 +97,7 @@ export default class Vector {
*/
get z(): number {
// TODO: Return actual value
return null;
return this.data[2];
}
/**
@ -101,6 +106,7 @@ export default class Vector {
*/
set z(val: number) {
// TODO: Set actual value
this.data[2] = val;
}
/**
@ -109,7 +115,7 @@ export default class Vector {
*/
get b(): number {
// TODO: Return actual value
return null;
return this.data[2];
}
/**
@ -118,6 +124,7 @@ export default class Vector {
*/
set b(val: number) {
// TODO: Set actual value
this.data[2] = val;
}
/**
@ -126,7 +133,7 @@ export default class Vector {
*/
get w(): number {
// TODO: Return actual value
return null;
return this.data[3];
}
/**
@ -135,6 +142,7 @@ export default class Vector {
*/
set w(val: number) {
// TODO: Set actual value
this.data[3] = val;
}
/**
@ -143,7 +151,7 @@ export default class Vector {
*/
get a(): number {
// TODO: Return actual value
return null;
return this.data[3];
}
/**
@ -152,6 +160,7 @@ export default class Vector {
*/
set a(val: number) {
// TODO: Set actual value
this.data[3] = val;
}
/**
@ -161,7 +170,7 @@ export default class Vector {
*/
add(other: Vector): Vector {
// TODO: Return new vector with result
return null;
return new Vector(this.data[0]+other.x,this.data[1]+other.y,this.data[2]+other.z,this.data[3]+other.w);
}
/**
@ -171,7 +180,7 @@ export default class Vector {
*/
sub(other: Vector): Vector {
// TODO: Return new vector with result
return null;
return new Vector(this.data[0]-other.x,this.data[1]-other.y,this.data[2]-other.z,this.data[3]-other.w);
}
/**
@ -181,7 +190,7 @@ export default class Vector {
*/
mul(other: number): Vector {
// TODO: Return new vector with result
return null;
return new Vector(this.data[0]*other,this.data[1]*other,this.data[2]*other,this.data[3]*other);
}
/**
@ -191,7 +200,7 @@ export default class Vector {
*/
div(other: number): Vector {
// TODO: Return new vector with result
return null;
return new Vector(this.data[0]/other,this.data[1]/other,this.data[2]/other,this.data[3]/other);
}
/**
@ -201,8 +210,12 @@ export default class Vector {
*/
dot(other: Vector): number {
// TODO: Compute and return dot product
return 0;
}
var temp = [other.x, other.y, other.z, other.w];
let result = 0;
for (let i = 0; i < 4; i++) {
result += this.data[i] * temp[i];
}
return result; }
/**
* Cross product
@ -213,7 +226,10 @@ export default class Vector {
cross(other: Vector): Vector {
// TODO: Return new vector with result
// TODO: The fourth component should be set to 0
return null;
var x = this.data[1]*other.z - this.data[2]*other.y;
var y = this.data[2]*other.x - this.data[0]*other.z;
var z = this.data[0]*other.y - this.data[1]*other.x;
return new Vector(x,y,z,0);
}
/**
@ -222,7 +238,7 @@ export default class Vector {
*/
normalize(): Vector {
// TODO: Normalize this vector and return it
return this;
return this.div(Math.sqrt(Math.pow(this.data[0],2)+Math.pow(this.data[1],2)+Math.pow(this.data[2],2)));
}
/**
@ -234,6 +250,15 @@ export default class Vector {
// TODO: Perform comparison and return result
// TODO: Respect inaccuracies: coordinates within 0.000001 of each other
// TODO: should be considered equal
if(this.data[0] < other.x + 0.000001 && this.data[0] > other.x - 0.000001) {
if(this.data[1] < other.y + 0.000001 && this.data[1] > other.y - 0.000001) {
if(this.data[2] < other.z + 0.000001 && this.data[2] > other.z - 0.000001) {
if(this.data[3] < other.w + 0.000001 && this.data[3] > other.w - 0.000001) {
return true;
}
}
}
}
return false;
}
@ -243,7 +268,7 @@ export default class Vector {
*/
get length(): number {
// TODO: Calculate and return length
return 0;
return Math.sqrt(Math.pow(this.data[0],2)+Math.pow(this.data[1],2)+Math.pow(this.data[2],2));
}
/**

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