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move out functions
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‎SunSpider/3d-cube.js

Lines changed: 118 additions & 117 deletions
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,124 @@
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// http://www.speich.net/computer/moztesting/3d.htm
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// Created by Simon Speich
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5+
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function CalcCross(V0, V1) {
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var Cross = new Array();
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Cross[0] = V0[1]*V1[2] - V0[2]*V1[1];
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Cross[1] = V0[2]*V1[0] - V0[0]*V1[2];
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Cross[2] = V0[0]*V1[1] - V0[1]*V1[0];
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return Cross;
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}
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function CalcNormal(V0, V1, V2) {
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var A = new Array();
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var B = new Array();
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for (var i = 0; i < 3; i++) {
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A[i] = V0[i] - V1[i];
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B[i] = V2[i] - V1[i];
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}
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A = CalcCross(A, B);
22+
var Length = Math.sqrt(A[0]*A[0] + A[1]*A[1] + A[2]*A[2]);
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for (var i = 0; i < 3; i++) A[i] = A[i] / Length;
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A[3] = 1;
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return A;
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}
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function CreateP(X,Y,Z) {
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this.V = [X,Y,Z,1];
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}
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// multiplies two matrices
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function MMulti(M1, M2) {
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var M = [[],[],[],[]];
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var i = 0;
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var j = 0;
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for (; i < 4; i++) {
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j = 0;
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for (; j < 4; j++) M[i][j] = M1[i][0] * M2[0][j] + M1[i][1] * M2[1][j] + M1[i][2] * M2[2][j] + M1[i][3] * M2[3][j];
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}
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return M;
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}
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//multiplies matrix with vector
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function VMulti(M, V) {
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var Vect = new Array();
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var i = 0;
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for (;i < 4; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2] + M[i][3] * V[3];
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return Vect;
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}
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function VMulti2(M, V) {
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var Vect = new Array();
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var i = 0;
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for (;i < 3; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2];
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return Vect;
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}
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// add to matrices
60+
function MAdd(M1, M2) {
61+
var M = [[],[],[],[]];
62+
var i = 0;
63+
var j = 0;
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for (; i < 4; i++) {
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j = 0;
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for (; j < 4; j++) M[i][j] = M1[i][j] + M2[i][j];
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}
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return M;
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}
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function Translate(M, Dx, Dy, Dz) {
72+
var T = [
73+
[1,0,0,Dx],
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[0,1,0,Dy],
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[0,0,1,Dz],
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[0,0,0,1]
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];
78+
return MMulti(T, M);
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}
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function RotateX(M, Phi) {
82+
var a = Phi;
83+
a *= Math.PI / 180;
84+
var Cos = Math.cos(a);
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var Sin = Math.sin(a);
86+
var R = [
87+
[1,0,0,0],
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[0,Cos,-Sin,0],
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[0,Sin,Cos,0],
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[0,0,0,1]
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];
92+
return MMulti(R, M);
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}
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function RotateY(M, Phi) {
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var a = Phi;
97+
a *= Math.PI / 180;
98+
var Cos = Math.cos(a);
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var Sin = Math.sin(a);
100+
var R = [
101+
[Cos,0,Sin,0],
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[0,1,0,0],
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[-Sin,0,Cos,0],
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[0,0,0,1]
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];
106+
return MMulti(R, M);
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}
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function RotateZ(M, Phi) {
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var a = Phi;
111+
a *= Math.PI / 180;
112+
var Cos = Math.cos(a);
113+
var Sin = Math.sin(a);
114+
var R = [
115+
[Cos,-Sin,0,0],
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[Sin,Cos,0,0],
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[0,0,1,0],
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[0,0,0,1]
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];
120+
return MMulti(R, M);
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}
122+
5123
function run() {
6124
var Q = new Array();
7125
var MTrans = new Array(); // transformation matrix
@@ -74,123 +192,6 @@ function run() {
74192
Q.LastPx = NumPix;
75193
}
76194

77-
function CalcCross(V0, V1) {
78-
var Cross = new Array();
79-
Cross[0] = V0[1]*V1[2] - V0[2]*V1[1];
80-
Cross[1] = V0[2]*V1[0] - V0[0]*V1[2];
81-
Cross[2] = V0[0]*V1[1] - V0[1]*V1[0];
82-
return Cross;
83-
}
84-
85-
function CalcNormal(V0, V1, V2) {
86-
var A = new Array();
87-
var B = new Array();
88-
for (var i = 0; i < 3; i++) {
89-
A[i] = V0[i] - V1[i];
90-
B[i] = V2[i] - V1[i];
91-
}
92-
A = CalcCross(A, B);
93-
var Length = Math.sqrt(A[0]*A[0] + A[1]*A[1] + A[2]*A[2]);
94-
for (var i = 0; i < 3; i++) A[i] = A[i] / Length;
95-
A[3] = 1;
96-
return A;
97-
}
98-
99-
function CreateP(X,Y,Z) {
100-
this.V = [X,Y,Z,1];
101-
}
102-
103-
// multiplies two matrices
104-
function MMulti(M1, M2) {
105-
var M = [[],[],[],[]];
106-
var i = 0;
107-
var j = 0;
108-
for (; i < 4; i++) {
109-
j = 0;
110-
for (; j < 4; j++) M[i][j] = M1[i][0] * M2[0][j] + M1[i][1] * M2[1][j] + M1[i][2] * M2[2][j] + M1[i][3] * M2[3][j];
111-
}
112-
return M;
113-
}
114-
115-
//multiplies matrix with vector
116-
function VMulti(M, V) {
117-
var Vect = new Array();
118-
var i = 0;
119-
for (;i < 4; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2] + M[i][3] * V[3];
120-
return Vect;
121-
}
122-
123-
function VMulti2(M, V) {
124-
var Vect = new Array();
125-
var i = 0;
126-
for (;i < 3; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2];
127-
return Vect;
128-
}
129-
130-
// add to matrices
131-
function MAdd(M1, M2) {
132-
var M = [[],[],[],[]];
133-
var i = 0;
134-
var j = 0;
135-
for (; i < 4; i++) {
136-
j = 0;
137-
for (; j < 4; j++) M[i][j] = M1[i][j] + M2[i][j];
138-
}
139-
return M;
140-
}
141-
142-
function Translate(M, Dx, Dy, Dz) {
143-
var T = [
144-
[1,0,0,Dx],
145-
[0,1,0,Dy],
146-
[0,0,1,Dz],
147-
[0,0,0,1]
148-
];
149-
return MMulti(T, M);
150-
}
151-
152-
function RotateX(M, Phi) {
153-
var a = Phi;
154-
a *= Math.PI / 180;
155-
var Cos = Math.cos(a);
156-
var Sin = Math.sin(a);
157-
var R = [
158-
[1,0,0,0],
159-
[0,Cos,-Sin,0],
160-
[0,Sin,Cos,0],
161-
[0,0,0,1]
162-
];
163-
return MMulti(R, M);
164-
}
165-
166-
function RotateY(M, Phi) {
167-
var a = Phi;
168-
a *= Math.PI / 180;
169-
var Cos = Math.cos(a);
170-
var Sin = Math.sin(a);
171-
var R = [
172-
[Cos,0,Sin,0],
173-
[0,1,0,0],
174-
[-Sin,0,Cos,0],
175-
[0,0,0,1]
176-
];
177-
return MMulti(R, M);
178-
}
179-
180-
function RotateZ(M, Phi) {
181-
var a = Phi;
182-
a *= Math.PI / 180;
183-
var Cos = Math.cos(a);
184-
var Sin = Math.sin(a);
185-
var R = [
186-
[Cos,-Sin,0,0],
187-
[Sin,Cos,0,0],
188-
[0,0,1,0],
189-
[0,0,0,1]
190-
];
191-
return MMulti(R, M);
192-
}
193-
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function DrawQube() {
195196
// calc current normals
196197
var CurN = new Array();

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