diff options
Diffstat (limited to 'glview.cc')
| -rw-r--r-- | glview.cc | 44 |
1 files changed, 22 insertions, 22 deletions
@@ -41,8 +41,6 @@ GLView::GLView(QWidget *parent) : QGLWidget(parent) for (int i = 0; i < 10; i++) shaderinfo[i] = 0; - useLights = false; - setMouseTracking(true); } @@ -70,6 +68,7 @@ void GLView::initializeGL() "attribute vec3 pos_b, pos_c;\n" "attribute vec3 trig, mask;\n" "varying vec3 tp, tr;\n" + "varying float shading;\n" "void main() {\n" " vec4 p0 = gl_ModelViewProjectionMatrix * gl_Vertex;\n" " vec4 p1 = gl_ModelViewProjectionMatrix * vec4(pos_b, 1.0);\n" @@ -83,13 +82,18 @@ void GLView::initializeGL() " gl_Position = p0;\n" " tp = mask * ha;\n" " tr = trig;\n" + " vec3 normal, lightDir;\n" + " normal = normalize(gl_NormalMatrix * gl_Normal);\n" + " lightDir = normalize(vec3(gl_LightSource[0].position));\n" + " shading = abs(dot(normal, lightDir));\n" "}\n"; const char *fs_source = "uniform vec4 color1, color2;\n" "varying vec3 tp, tr, tmp;\n" + "varying float shading;\n" "void main() {\n" - " gl_FragColor = color1;\n" + " gl_FragColor = vec4(color1.r * shading, color1.g * shading, color1.b * shading, color1.a);\n" " if (tp.x < tr.x || tp.y < tr.y || tp.z < tr.z)\n" " gl_FragColor = color2;\n" "}\n"; @@ -170,25 +174,21 @@ void GLView::paintGL() glMatrixMode(GL_MODELVIEW); glLoadIdentity(); - if (useLights) - { - GLfloat light_diffuse[] = {1.0, 1.0, 1.0, 1.0}; - GLfloat light_position0[] = {-1.0, -1.0, +1.0, 0.0}; - GLfloat light_position1[] = {+1.0, +1.0, -1.0, 0.0}; - - glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse); - glLightfv(GL_LIGHT0, GL_POSITION, light_position0); - glEnable(GL_LIGHT0); - glLightfv(GL_LIGHT1, GL_DIFFUSE, light_diffuse); - glLightfv(GL_LIGHT1, GL_POSITION, light_position1); - glEnable(GL_LIGHT1); - glEnable(GL_LIGHTING); - glEnable(GL_NORMALIZE); - } - else - { - glDisable(GL_LIGHTING); - } + GLfloat light_diffuse[] = {1.0, 1.0, 1.0, 1.0}; + GLfloat light_position0[] = {-1.0, -1.0, +1.0, 0.0}; + GLfloat light_position1[] = {+1.0, +1.0, -1.0, 0.0}; + + glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse); + glLightfv(GL_LIGHT0, GL_POSITION, light_position0); + glEnable(GL_LIGHT0); + glLightfv(GL_LIGHT1, GL_DIFFUSE, light_diffuse); + glLightfv(GL_LIGHT1, GL_POSITION, light_position1); + glEnable(GL_LIGHT1); + glEnable(GL_LIGHTING); + glEnable(GL_NORMALIZE); + + glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); + glEnable(GL_COLOR_MATERIAL); glRotated(object_rot_y, 1.0, 0.0, 0.0); glRotated(object_rot_z, 0.0, 0.0, 1.0); |