Changeset 702Tweet

Timestamp:

Feb 28, 2011, 3:26:21 AM (10 years ago)

Author:

sam

Message:

The DebugQuad object now rotates with time.

File:

• trunk/src/debugquad.cpp (modified) (4 diffs)

trunk/src/debugquad.cpp

@@ -33 +33 @@
 private:
     int initialised;
+    float time;
 #if defined HAVE_GL_2X || defined HAVE_GLES_2X
     GLuint buflist[3];
@@ -51 +52 @@
 {
     data->initialised = 0;
+    data->time = 0.0f;
 }
 
@@ -56 +58 @@
 {
     Entity::TickGame(deltams);
+
+    data->time += deltams;
 }
 
@@ -129 +133 @@
     }
 
-    static GLfloat const verts[6][2] =
-    {
-        { -0.9f,  0.9f }, {  0.9f,  0.9f }, { -0.9f, -0.9f },
-        { -0.9f, -0.9f }, {  0.9f,  0.9f }, {  0.9f, -0.9f },
+    float const st = sinf(0.0005f * data->time);
+    float const ct = cosf(0.0005f * data->time);
+
+    GLfloat const verts[6][2] =
+    {
+        { -0.7f * (st + ct),  0.7f * (st - ct) },
+        {  0.7f * (st - ct),  0.7f * (st + ct) },
+        { -0.7f * (st - ct), -0.7f * (st + ct) },
+
+        { -0.7f * (st - ct), -0.7f * (st + ct) },
+        {  0.7f * (st - ct),  0.7f * (st + ct) },
+        {  0.7f * (st + ct), -0.7f * (st - ct) },
     };