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1.0 KiB
1.0 KiB
Mat4
4x4 floating point matrix
Các phiên bản
mat4 aMat4 = mat4(1.0, 0.0, 0.0, 0.0, // 1. column
0.0, 1.0, 0.0, 0.0, // 2. column
0.0, 0.0, 1.0, 0.0, // 3. column
0.0, 0.0, 0.0, 1.0); // 4. column
mat4 bMat4 = mat4(1.0);
mat4 cMat4 = mat4(aVec4, bVec4, cVec4, dVec4);
mat4 dMat4 = mat4(aVec4, aVec3, bVec4, cVec4, aFloat);
Mô tả
mat4 data type is compose for a 4x4 matrix of floating point. As you can see above, can be initialize in different ways:
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Providing a value for each component column by column.
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Providing one value that is used for the components on the main diagonal.
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Providing a combination of vectors and scalars.
In the same way data can be accessed component-wise or column by column:
aMat4[3][3] = 1.0;
float aFloat = aMat4[3][3];
aMat4[0] = vec4(1.0);
vec4 aVec4 = aMat4[0];