rendertri

Author: archibate

src/main.cpp

@@ -9,27 +9,34 @@
 
 static void render() {
     glBegin(GL_TRIANGLES);
-    constexpr int n = 100;
-    constexpr float pi = 3.1415926535897f;
-    float radius = 0.5f;
-    float inner_radius = 0.25f;
-    static int x = 0;
-    x++;
-    if (x > n)
-        x -= n;
-    for (int i = 0; i < x; i++) {
-        float angle = i / (float)n * pi * 2;
-        float angle_next = (i + 1) / (float)n * pi * 2;
-        glVertex3f(0.0f, 0.0f, 0.0f);
-        glVertex3f(radius * sinf(angle), radius * cosf(angle), 0.0f);
-        glVertex3f(radius * sinf(angle_next), radius * cosf(angle_next), 0.0f);
+    glColor3f(1.0f, 0.0f, 0.0f);
+    glVertex3f(0.0f, 0.5f, 0.0f);
+    glColor3f(0.0f, 1.0f, 0.0f);
+    glVertex3f(-0.5f, -0.5f, 0.0f);
+    glColor3f(0.0f, 0.0f, 1.0f);
+    glVertex3f(0.5f, -0.5f, 0.0f);
+    CHECK_GL(glEnd());
+    /* glBegin(GL_TRIANGLES); */
+    /* constexpr int n = 100; */
+    /* constexpr float pi = 3.1415926535897f; */
+    /* float radius = 0.5f; */
+    /* float inner_radius = 0.25f; */
+    /* static int x = 0; */
+    /* x++; */
+    /* if (x > n) */
+    /*     x -= n; */
+    /* for (int i = 0; i < x; i++) { */
+    /*     float angle = i / (float)n * pi * 2; */
+    /*     float angle_next = (i + 1) / (float)n * pi * 2; */
+    /*     glVertex3f(0.0f, 0.0f, 0.0f); */
+    /*     glVertex3f(radius * sinf(angle), radius * cosf(angle), 0.0f); */
+    /*     glVertex3f(radius * sinf(angle_next), radius * cosf(angle_next), 0.0f); */
         /* glVertex3f(inner_radius * sinf(angle), inner_radius * cosf(angle), 0.0f); */
-        /*  */
         /* glVertex3f(inner_radius * sinf(angle_next), inner_radius * cosf(angle_next), 0.0f); */
         /* glVertex3f(inner_radius * sinf(angle), inner_radius * cosf(angle), 0.0f); */
         /* glVertex3f(radius * sinf(angle_next), radius * cosf(angle_next), 0.0f); */
-    }
-    CHECK_GL(glEnd());
+    /* } */
+    /* CHECK_GL(glEnd()); */
 }
 
 int main() {