fixed flat / sphere scaling and mouse move input scaling

shaders/world.frag.glsl

@@ -24,6 +24,7 @@ vec3 phongLighting(in vec3 kd, in vec3 ks, in float ns, in vec3 color, in vec3 n
 void main()
 {
     // looping the world in the shape of a toreiller (infinite flat surface)
+    //float zoomRatio = mix(1, 1/camera.z, flatSphere);
     vec2 worldCoord = texCoord*worldSize + camera.xy*worldSize.y + (texCoord-vec2(0.25, 0.5))*surfaceRatio*worldSize;
     ivec2 nbRevolutions = ivec2(floor(worldCoord / worldSize));
     if(abs(mod(nbRevolutions.y, 2)) > 0.5)

shaders/world.vert.glsl

@@ -18,7 +18,7 @@ void main(void)
     vec2 flatTexCoord = texCoord;
     texCoord = mix(texCoord, flatTexCoord, vec2(flatSphere));
     normal = inNormal.xyz;
-    vec4 flatPos = vec4(inTexCoord.x*2 -1, inTexCoord.y*2 -1, 0.0, 1.0);
+    vec4 flatPos = vec4((inTexCoord.x*2 -1)*camera.z, (inTexCoord.y*2 -1)*camera.z, 0.0, 1.0);
     vec3 position = vec3(inPosition.xy, inPosition.z - 1);
     vec4 projPos = mvp * vec4(position*camera.z, 1.0);
     gl_Position = mix(projPos, flatPos, vec4(flatSphere));

src/mainwindow.cpp

@@ -30,6 +30,7 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(ui->actionPlayPause, SIGNAL(toggled(bool)), this, SLOT(pauseSimu(bool)));
     connect(ui->actionAction_step, SIGNAL(triggered(bool)), this, SLOT(stepSimu()));
     connect(ui->actionStop, SIGNAL(triggered(bool)), this, SLOT(stopSimu()));
+    connect(ui->resetToDefaultAdvanced, SIGNAL(pressed()), this, SLOT(resetAdvancedToDefault()));
     changeSimSpeed(ui->simSpeedSlider->value());
     ui->advancedGroupBox->hide();
 }
@@ -100,6 +101,12 @@ void MainWindow::stopSimu()
     delete p_simu;
 }
 
+void MainWindow::resetAdvancedToDefault()
+{
+    ui->flatSphereSlider->setValue(0);
+    ui->surfaceRatioSlider->setValue(50);
+}
+
 void MainWindow::pauseSimu(bool pause)
 {
     m_paused = pause;

src/mainwindow.h

@@ -32,6 +32,7 @@ private slots:
     void updateSimu();
     void stepSimu();
     void stopSimu();
+    void resetAdvancedToDefault();
     void pauseSimu(bool);
 };
 

src/mainwindow.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>744</width>
-    <height>490</height>
+    <width>683</width>
+    <height>499</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -190,14 +190,14 @@
            <property name="bottomMargin">
             <number>5</number>
            </property>
-           <item row="0" column="0">
+           <item row="1" column="0">
             <widget class="QLabel" name="label">
              <property name="text">
               <string>Spherical / Flat</string>
              </property>
             </widget>
            </item>
-           <item row="0" column="1">
+           <item row="1" column="1">
             <widget class="QSlider" name="flatSphereSlider">
              <property name="enabled">
               <bool>true</bool>
@@ -225,14 +225,14 @@
              </property>
             </widget>
            </item>
-           <item row="1" column="0">
+           <item row="2" column="0">
             <widget class="QLabel" name="label_2">
              <property name="text">
               <string>surface ratio</string>
              </property>
             </widget>
            </item>
-           <item row="1" column="1">
+           <item row="2" column="1">
             <widget class="QSlider" name="surfaceRatioSlider">
              <property name="enabled">
               <bool>true</bool>
@@ -263,6 +263,13 @@
              </property>
             </widget>
            </item>
+           <item row="0" column="0" colspan="2">
+            <widget class="QPushButton" name="resetToDefaultAdvanced">
+             <property name="text">
+              <string>Reset to default</string>
+             </property>
+            </widget>
+           </item>
           </layout>
          </widget>
         </item>

src/pixelpipeline.cpp

@@ -8,7 +8,6 @@
 #include "mapscene.h"
 #include <parametricmesh.h>
 #include <glm/ext.hpp>
-
 #define SCROLL_SPEED 0.998f
 
 class ToreillerGenerator : public MeshGenerator
@@ -150,6 +149,12 @@ void PixelPipeline::resizeGL(int w, int h)
     m_view = glm::translate(glm::mat4(), glm::vec3(0, 0, -3));
 }
 
+void PixelPipeline::cameraMove(int x, int y)
+{
+    m_camera.x -= 2*x/(m_camera.z*m_width);
+    m_camera.y += 2*y/(m_camera.z*m_height);
+}
+
 void PixelPipeline::cameraZoom(int nbScrolls)
 {
     while(nbScrolls != 0)
@@ -167,6 +172,11 @@ void PixelPipeline::cameraZoom(int nbScrolls)
     }
     if(m_camera.z > m_mapHeight/4)
         m_camera.z = m_mapHeight/4;
-    else if(m_camera.z < 0.4f)
-        m_camera.z = 0.4f;
+    else if(m_camera.z < 1)
+        m_camera.z = 1;
+}
+
+Coord PixelPipeline::getToreillerPos(int mouseX, int mouseY)
+{
+    
 }

src/pixelpipeline.h

@@ -10,6 +10,7 @@ class Shader;
 class PixelMesh;
 class MapScene;
 class Mesh;
+class Coord;
 
 class PixelPipeline : public Pipeline
 {
@@ -46,12 +47,14 @@ public:
     virtual void renderGL(Scene *scene);
     virtual void resizeGL(int w, int h);
     
-    void cameraMove(int x, int y) { m_camera.x -= x/(m_camera.z*m_width); m_camera.y += y/(m_camera.z*m_width); }
+    void cameraMove(int x, int y);
     void cameraZoom(int nbScrolls);
     
     void setSurfaceRatio(float surfaceRatio) { m_surfaceRatio = surfaceRatio; }
     void setFlatSphere(float flatSphere) { m_flatSphere = flatSphere; }
     void setShowToreiller(bool showToreiller) { m_showToreiller = showToreiller; }
+    
+    Coord getToreillerPos(int mouseX, int mouseY);
 };
 
 #endif // PIXELPIPELINE_H