Changeset 1333 for trunk/packages/vizservers/nanovis/NvParticleRenderer.cpp

Timestamp:

Mar 16, 2009, 2:05:56 PM (16 years ago)

Author:

vrinside

Message:

adding a function to specify multiple planes to initialize particle positions

File:

• trunk/packages/vizservers/nanovis/NvParticleRenderer.cpp (modified) (3 diffs)

trunk/packages/vizservers/nanovis/NvParticleRenderer.cpp

@@ -102 +102 @@
 
     _advectionShader = new NvParticleAdvectionShader();
-
 }
 
@@ -268 +267 @@
 }
 
+void NvParticleRenderer::draw_bounding_box(
+    float x0, float y0, float z0,
+    float x1, float y1, float z1,
+    float r, float g, float b, 
+    float line_width)
+{
+    glPushMatrix();
+    glEnable(GL_DEPTH_TEST);
+    glDisable(GL_TEXTURE_2D);
+    glEnable(GL_BLEND);
+
+    glColor4d(r, g, b, 1.0);
+    glLineWidth(line_width);
+    
+    glBegin(GL_LINE_LOOP);
+    {
+        glVertex3d(x0, y0, z0);
+        glVertex3d(x1, y0, z0);
+        glVertex3d(x1, y1, z0);
+        glVertex3d(x0, y1, z0);
+    }
+    glEnd();
+    
+    glBegin(GL_LINE_LOOP);
+    {
+        glVertex3d(x0, y0, z1);
+        glVertex3d(x1, y0, z1);
+        glVertex3d(x1, y1, z1);
+        glVertex3d(x0, y1, z1);
+    }
+    glEnd();
+    
+    
+    glBegin(GL_LINE_LOOP);
+    {
+        glVertex3d(x0, y0, z0);
+        glVertex3d(x0, y0, z1);
+        glVertex3d(x0, y1, z1);
+        glVertex3d(x0, y1, z0);
+    }
+    glEnd();
+    
+    glBegin(GL_LINE_LOOP);
+    {
+        glVertex3d(x1, y0, z0);
+        glVertex3d(x1, y0, z1);
+        glVertex3d(x1, y1, z1);
+        glVertex3d(x1, y1, z0);
+    }
+    glEnd();
+
+    glPopMatrix();
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_BLEND);
+    glEnable(GL_TEXTURE_2D);
+}
+
 void NvParticleRenderer::display_vertices()
 {
@@ -276 +332 @@
     glEnable(GL_COLOR_MATERIAL);
 
+    glPushMatrix();
+
+    glTranslatef(origin.x, origin.y, origin.z);
+    glScaled(scale.x, scale.y, scale.z);
+
+// TBD...
+/*
+    draw_bounding_box(
+        0, 0, 0, 
+        1, 1, 1, 
+        1, 1, 1, 2);
+
+    draw_bounding_box(
+        0, 0.5f / 4.5f, 0.5f / 4.5,
+        1, 4.0f / 4.5f, 4.0f / 4.5,
+        1, 0, 0, 2);
+
+    draw_bounding_box(
+        1/3.0f, 1.0f / 4.5f, 0.5f / 4.5,
+        2/3.0f, 3.5f / 4.5f, 3.5f / 4.5,
+        1, 1, 0, 2);
+*/
+
     glPointSize(1.2);
     glColor4f(.2,.2,.8,1.);
-  
-    glPushMatrix();
-
-    glTranslatef(origin.x, origin.y, origin.z);
-    glScaled(scale.x, scale.y, scale.z);
-
     glEnableClientState(GL_VERTEX_ARRAY);
     m_vertex_array->SetPointer(0);