blob: 67401d08fe84693b435849ae1cb9e395f117a4eb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#ifndef __ASURA_MATRIX_STACK_H__
#define __ASURA_MATRIX_STACK_H__
#include <asura-utils/type.h>
#include <asura-utils/math/matrix44.h>
namespace AsuraEngine
{
namespace Graphics
{
///
/// ջľȡ
///
#define ASURA_MAX_MATRIX_STACK_DEPTH 32 // 2KB
///
/// ջ״ָ̬֮ǰ״̬ջеһstack[i]ֵstack[0]*..*stack[i-1]
/// ֵһϵtransform
///
/// TODO: template<uint _capacity> MatrixStack
///
class MatrixStack
{
public:
MatrixStack();
~MatrixStack();
void LoadIdentity();
bool Push();
bool Pop();
AEMath::Matrix44& GetTop();
void GetTop(ASURA_OUT AEMath::Matrix44& mat44);
void LoadMatrix(const AEMath::Matrix44& mat44);
void MultMatrix(const AEMath::Matrix44& mat44);
void Rotate(float angle);
void Translate(float x, float y);
void Scale(float x, float y);
void Ortho(float l, float r, float b, float t, float n, float f);
uint GetTopIndex();
uint GetCapacity();
private:
AEMath::Matrix44 m_Stack[ASURA_MAX_MATRIX_STACK_DEPTH];
uint8 top;
};
}
}
#endif
|
