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added a test that it's zero2one coordinate system at second_triangle.cpp

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This commit is contained in:
HuYingzhuo(hugo/hyzboy)
2023-03-22 17:56:36 +08:00
parent 57b480754c
commit 8af96ed4a5
4 changed files with 24 additions and 11 deletions
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26
example/Vulkan/second_triangle.cpp
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@@ -15,11 +15,11 @@ constexpr uint32_t SCREEN_HEIGHT=720;
constexpr uint32_t VERTEX_COUNT=3;
constexpr float position_data[VERTEX_COUNT][2]=
static float position_data[VERTEX_COUNT][2]=
{
{SCREEN_WIDTH*0.5, SCREEN_HEIGHT*0.25},
{SCREEN_WIDTH*0.75, SCREEN_HEIGHT*0.75},
{SCREEN_WIDTH*0.25, SCREEN_HEIGHT*0.75}
{0.5, 0.25},
{0.75, 0.75},
{0.25, 0.75}
};
constexpr float color_data[VERTEX_COUNT][4]=
@@ -29,6 +29,8 @@ constexpr float color_data[VERTEX_COUNT][4]=
{0,0,1,1}
};
#define USE_ZERO2ONE_COORD //使用左上角0,0右下角1,1的坐标系
class TestApp:public VulkanApplicationFramework
{
private:
@@ -41,8 +43,12 @@ private:
private:
bool InitMaterial()
{
{
#ifdef USE_ZERO2ONE_COORD
MaterialCreateInfo *mci=mtl::CreateVertexColor2D(CoordinateSystem2D::ZeroToOne);
#else
MaterialCreateInfo *mci=mtl::CreateVertexColor2D(CoordinateSystem2D::Ortho);
#endif//USE_ZERO2ONE_COORD
//material_instance=db->CreateMaterialInstance(OS_TEXT("res/material/VertexColor2D"));
@@ -66,6 +72,16 @@ private:
Primitive *primitive=db->CreatePrimitive(VERTEX_COUNT);
if(!primitive)return(false);
#ifndef USE_ZERO2ONE_COORD //使用ortho坐标系
for(uint i=0;i<VERTEX_COUNT;i++)
{
position_data[i][0]*=SCREEN_WIDTH;
position_data[i][1]*=SCREEN_HEIGHT;
}
#endif//USE_ZERO2ONE_COORD
if(!primitive->Set(VAN::Position, db->CreateVBO(VF_V2F,VERTEX_COUNT,position_data )))return(false);
if(!primitive->Set(VAN::Color, db->CreateVBO(VF_V4F,VERTEX_COUNT,color_data )))return(false);