Changeset 10457 in orxonox.OLD for trunk/src/world_entities

Timestamp:

Jan 28, 2007, 7:55:30 PM (18 years ago)

Author:

patrick

Message:

almost done scrolling

Location:

trunk/src/world_entities

Files:

• scrolling_screen.cc (modified) (4 diffs)
• scrolling_screen.h (modified) (1 diff)

trunk/src/world_entities/scrolling_screen.cc

@@ -67 +67 @@
 
   this->material = new Material();
-  this->material->setDiffuse(0,0,0);
+  this->material->setDiffuse(1,1,1);
   this->material->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
   this->isTransparent = false;
   this->transparency = 1.0;
+  this->offset = 0.0;
 }
 
@@ -111 +112 @@
   glPushAttrib(GL_ENABLE_BIT);
   glDisable(GL_LIGHTING);
-  glEnable(GL_BLEND);   // Turn Blending On
+  glDisable(GL_FOG);
+  glEnable(GL_BLEND);
 
   glMatrixMode(GL_MODELVIEW);
@@ -124 +126 @@
   this->material->select();
 
+  float resize = -(1. - (this->viewHeight + this->offset));
+  if( resize < 0.)
+    resize = 1.;
+  else resize = 1 - resize;
+
+  float texRes = 1 - resize;
+
+
   glBegin(GL_QUADS);
 
-  glTexCoord2f(0., 0.);
-  glVertex3f(0., -this->xSize*0.5, -this->ySize*0.5);
-
-  glTexCoord2f(0., 1.);
-  glVertex3f(0., -this->xSize*0.5, this->ySize*0.5);
-
-  glTexCoord2f(1., 1.);
-  glVertex3f(0., this->xSize*0.5, this->ySize*0.5);
-
-  glTexCoord2f(1., 0.);
-  glVertex3f(0., this->xSize*0.5, -this->ySize*0.5);
+    glTexCoord2f(this->offset, 0.);
+    glVertex3f(0., -this->xSize*0.5, -this->ySize*0.5);
+
+    glTexCoord2f(this->offset, 1.);
+    glVertex3f(0., -this->xSize*0.5, this->ySize*0.5);
+
+    glTexCoord2f(this->offset + this->viewHeight - texRes, 1.);
+    glVertex3f(0., this->xSize*0.5 - (resize*this->xSize*0.5), this->ySize*0.5);
+
+    glTexCoord2f(this->offset + this->viewHeight - texRes, 0.);
+    glVertex3f(0., this->xSize*0.5 - (resize*this->xSize*0.5), -this->ySize*0.5);
 
   glEnd();
 
+  glPopAttrib();
   glPopMatrix();
-  glPopAttrib();
 }
 
@@ -165 +175 @@
     Quaternion q(ddir, cam->getAbsDirV());
     this->setAbsDir( q);
+
+    // scroll the texture
+    this->offset += time * this->scrollingSpeed;
+    if( this->offset > 1.|| this->offset < -1.)
+      this->offset = 0.;
+
+/*    PRINTF(0)("offset %f, offset: %f\n", this->offset, time * this->scrollingSpeed);*/
 
 //     if( this->getParent() != cam)

trunk/src/world_entities/scrolling_screen.h

@@ -43 +43 @@
   float           scrollingSpeed;
   float           viewHeight;
+  float           offset;
 
   float           xSize;