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更新相机强制刷新矩阵

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This commit is contained in:
YHH
2020-06-19 00:38:37 +08:00
parent e83bb087ea
commit 09e6ace142
19 changed files with 226 additions and 128 deletions
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41
source/src/Math/Matrix2D.ts
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@@ -20,15 +20,15 @@ class Matrix2D {
return Matrix2D._identity;
}
constructor(m11: number, m12: number, m21: number, m22: number, m31: number, m32: number){
this.m11 = m11;
this.m12 = m12;
constructor(m11?: number, m12?: number, m21?: number, m22?: number, m31?: number, m32?: number){
this.m11 = m11 ? m11 : 1;
this.m12 = m12 ? m12 : 0;
this.m21 = m21;
this.m22 = m22;
this.m21 = m21 ? m21 : 0;
this.m22 = m22 ? m22 : 1;
this.m31 = m31;
this.m32 = m32;
this.m31 = m31 ? m31 : 0;
this.m32 = m32 ? m32 : 0;
}
/** 存储在这个矩阵中的位置 */
@@ -108,6 +108,8 @@ class Matrix2D {
}
public static multiply(matrix1: Matrix2D, matrix2: Matrix2D){
let result = new Matrix2D();
let m11 = ( matrix1.m11 * matrix2.m11 ) + ( matrix1.m12 * matrix2.m21 );
let m12 = ( matrix1.m11 * matrix2.m12 ) + ( matrix1.m12 * matrix2.m22 );
@@ -117,15 +119,16 @@ class Matrix2D {
let m31 = ( matrix1.m31 * matrix2.m11 ) + ( matrix1.m32 * matrix2.m21 ) + matrix2.m31;
let m32 = ( matrix1.m31 * matrix2.m12 ) + ( matrix1.m32 * matrix2.m22 ) + matrix2.m32;
matrix1.m11 = m11;
matrix1.m12 = m12;
result.m11 = m11;
result.m12 = m12;
matrix1.m21 = m21;
matrix1.m22 = m22;
result.m21 = m21;
result.m22 = m22;
matrix1.m31 = m31;
matrix1.m32 = m32;
return matrix1;
result.m31 = m31;
result.m32 = m32;
return result;
}
public static multiplyTranslation(matrix: Matrix2D, x: number, y: number){
@@ -137,7 +140,7 @@ class Matrix2D {
return this.m11 * this.m22 - this.m12 * this.m21;
}
public static invert(matrix: Matrix2D, result: Matrix2D = Matrix2D.identity){
public static invert(matrix: Matrix2D, result: Matrix2D = new Matrix2D()){
let det = 1 / matrix.determinant();
result.m11 = matrix.m22 * det;
@@ -152,7 +155,9 @@ class Matrix2D {
return result;
}
public static createTranslation(xPosition: number, yPosition: number, result: Matrix2D = Matrix2D.identity){
public static createTranslation(xPosition: number, yPosition: number, result?: Matrix2D){
result = result ? result : new Matrix2D();
result.m11 = 1;
result.m12 = 0;
@@ -166,7 +171,7 @@ class Matrix2D {
}
public static createRotation(radians: number, result?: Matrix2D){
result = Matrix2D.identity;
result = new Matrix2D();
let val1 = Math.cos(radians);
let val2 = Math.sin(radians);
@@ -179,7 +184,7 @@ class Matrix2D {
return result;
}
public static createScale(xScale: number, yScale: number, result: Matrix2D = Matrix2D.identity){
public static createScale(xScale: number, yScale: number, result: Matrix2D = new Matrix2D()){
result.m11 = xScale;
result.m12 = 0;