Changeset 10633 in orxonox.OLD for branches/vs-enhencements/src/world_entities/effects/billboard.cc

Timestamp:

Apr 19, 2007, 9:03:23 AM (17 years ago)

Author:

nicolasc

Message:

added a pulsing capability for the billboard ( I need it for the Plasma Projectile)

File:

• branches/vs-enhencements/src/world_entities/effects/billboard.cc (modified) (3 diffs)

branches/vs-enhencements/src/world_entities/effects/billboard.cc

@@ -69 +69 @@
 
   this->texColor = NULL;
+
+  this->pulseMagnitude = .5;
+  this->bPulse = false;
+
+  this->angularSpeed = M_PI; //180;
+  this->angle = 0;
+
+  this->setUpdateFunction((*sinf));
 }
 
@@ -113 +121 @@
 void Billboard::tick(float dt)
 {
+  this->angle += dt * this->angularSpeed;
+  if (this->angle > 2 * M_PI)
+    this->angle -= 2 * M_PI;
 }
 
@@ -145 +156 @@
   v.normalize();
 
-  v *= sizeX;
-  h *= sizeY;
+  float tmp = 1;
+  if (this->bPulse)
+    tmp = 1 + this->pulseMagnitude * updatePulse(this->angle);
+
+  v *= sizeX * tmp;
+  h *= sizeY * tmp;
 
 //v += this->getAbsCoor();