moving the vertices with a sine

diff --git a/src/thunder.c b/src/thunder.c
index 59843c2..197d326 100644 (file)
--- a/src/thunder.c
+++ b/src/thunder.c
@@ -20,7 +20,7 @@ static unsigned char *blurBuffer, *blurBuffer2;
 
 #define THUNDER_RECT_SIZE 2
 #define THUNDER_RANDOMNESS 16
-#define THUNDER_SECONDS 0.1f
+#define THUNDER_SECONDS 0.075f
 
 #define VERTEX_COUNT 12
 #define PERSPECTIVE_NEUTRAL_DEPTH 0.5f
@@ -298,12 +298,14 @@ void animateMesh() {
                MyVertex v1, v2;
                v1 = vertexBuffer[i];
 
-               /* O re panaia mou */
 
+               v1.y *= sin(time_msec / 1000.0f + v1.x + v1.z);
+
+               /* O re panaia mou */
                v2.x = v1.x * bx.x + v1.y * by.x + v1.z * bz.x;
                v2.y = v1.x * bx.y + v1.y * by.y + v1.z * bz.y;
                v2.z = v1.x * bx.z + v1.y * by.z + v1.z * bz.z;
-               
+
                v2.z += CAMERA_DISTANCE;
 
                vertexBufferAnimated[i] = v2;