1 files changed, 18 insertions, 22 deletions
diff --git a/ExampleSource.cpp b/ExampleSource.cpp
index e79e7ad..fa022e9 100644
--- a/ExampleSource.cpp
+++ b/ExampleSource.cpp
@@ -1,5 +1,6 @@
 #include "ExampleSource.h"
 
+#include <cmath>
 #include <utility>
 #include <vector>
 
@@ -8,16 +9,13 @@
 #include "Killmail.h"
 
 
-constexpr int AMOUNT {1000};
 constexpr float MAX {4.0f};
 constexpr float MIN {-4.0f};
-constexpr float STEP {0.1f};
+constexpr float STEP {0.2f};
 
 
-static float random_position();
-
-
-ExampleSource::ExampleSource()
+ExampleSource::ExampleSource() :
+    m_time {0.0f}
 {
 }
 
@@ -26,22 +24,20 @@ std::vector<Killmail>
 ExampleSource::all() const
 {
     std::vector<Killmail> killmails;
-    killmails.reserve(AMOUNT);
-    for (int i = 0; i < AMOUNT; ++i) {
-        Killmail km;
-        km.position = {
-            random_position(),
-            random_position(),
-            random_position(),
-        };
-        killmails.push_back(std::move(km));
+    killmails.reserve(std::pow((MAX - MIN) / STEP, 2));
+    m_time += GetFrameTime();
+    if (m_time > 2.0f * M_PI)
+        m_time -= 2.0f * M_PI;
+    for (float z = MIN; z <= MAX; z += STEP) {
+        for (float x = MIN; x <= MAX; x += STEP) {
+            Killmail km;
+            km.position = {
+                x,
+                std::cos(x) + std::cos(z + m_time),
+                z,
+            };
+            killmails.push_back(std::move(km));
+        }
     }
     return killmails;
 }
-
-
-float
-random_position()
-{
-    return GetRandomValue(MIN / STEP, MAX / STEP) * STEP;
-}