Zengtudor/learn_opengl
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update

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Zengtudor 2024-09-05 23:22:18 +08:00
parent 81578e5e8c
commit 3bfce1e098
2 changed files with 11 additions and 4 deletions
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11
src/c1/circle.cpp → src/c1/circlePoints.cpp
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@ -13,7 +13,7 @@
#include <thread> #include <thread>
const float POINT_SIZE = 32.0f; const float POINT_SIZE = 32.0f;
const unsigned int F_PER_SECOND = 120; const unsigned int F_PER_SECOND = 144;
const float PI = 3.141592653589793238462643383279502884L; const float PI = 3.141592653589793238462643383279502884L;
typedef unsigned int u8; typedef unsigned int u8;
@ -50,8 +50,15 @@ void render(){
static int state = -1; static int state = -1;
state=(state+1)%F_PER_SECOND; state=(state+1)%F_PER_SECOND;
const float anglePerCircle = 10.0f; const float anglePerCircle = 10.0f;
static float circleSize = 0.0f;
if(state==0){
circleSize+=0.1f;
}
if(circleSize>1.0f){
circleSize=0.0f;
}
for (u8 i=0;i<u8(float(state)/120.0f*360.0f);i+=anglePerCircle) { for (u8 i=0;i<u8(float(state)/120.0f*360.0f);i+=anglePerCircle) {
glVertex3f(std::cos(angleToRad(i)),std::sin(angleToRad(i)),0.0f); glVertex3f(std::cos(angleToRad(i))*circleSize,std::sin(angleToRad(i))*circleSize,0.0f);
} }
glEnd(); glEnd();
} }

4
xmake.lua
View File

@ -18,5 +18,5 @@ add_packages("glfw","glad","glm")
target("3Points") target("3Points")
add_files("src/c1/threePoints.cpp") add_files("src/c1/threePoints.cpp")
target("circle") target("circlePoints")
add_files("src/c1/circle.cpp") add_files("src/c1/circlePoints.cpp")