X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=6f74153d176ed43babe4a7cb788b9b89e4fdefe1;hp=0251439ca2796b485987d7a6ecc6a3f7552e6151;hb=bc7b210b34ea0d6fb40bd163955a50d80db3a11e;hpb=2931dc8f8168076f7cceed66414ad44969bf9e4b diff --git a/scene.c b/scene.c index 0251439..6f74153 100644 --- a/scene.c +++ b/scene.c @@ -1,6 +1,6 @@ /** * CITS2231 Graphics Scene Editor - * @author Ashley Tyndall (20915779) + * @author Ashley Tyndall (20915779), Jenna de la Harpe (20367932) */ #include @@ -110,8 +110,8 @@ void processLightEvents(int id) { * @param id ID of object selected */ void processObjectEvents(int id) { - // **NOTE: For the testing phase, only have the teapot addSceneObject(id); + manipulateState = STATE_OBJECT_POSITION_SCALE; glutPostRedisplay(); } @@ -120,7 +120,10 @@ void processObjectEvents(int id) { * @param id ID of texutre selected */ void processTextureEvents(int id) { - + if ( curObject >= 0 ) { + sceneObjs[curObject].texture = id; + glutPostRedisplay(); + } } /** @@ -168,7 +171,7 @@ void makeMenu() { glutAddMenuEntry("Position/Scale", M_POSITION_SCALE); glutAddMenuEntry("Rotation/Texture Scale", M_ROTATION_TEXTURE_SCALE); //glutAddSubMenu("Material", materialMenu); - //glutAddSubMenu("Texture", textureMenu); + glutAddSubMenu("Texture", textureMenu); glutAddSubMenu("Ground texture", gTextureMenu); //glutAddSubMenu("Lights", lightMenu); glutAddMenuEntry("Exit", M_EXIT); @@ -196,6 +199,9 @@ void windowReshape(int w, int h) { * @param y Mouse y position */ void mouse(int button, int state, int x, int y) { + if ( button == GLUT_LEFT_BUTTON && glutGetModifiers() == GLUT_ACTIVE_SHIFT ) { + button = GLUT_MIDDLE_BUTTON; // Holding shift with left button is the same as the middle button + } switch(button) { case GLUT_LEFT_BUTTON: case GLUT_MIDDLE_BUTTON: @@ -278,44 +284,64 @@ void keyboard(unsigned char key, int x, int y) { void motion(int x, int y) { if ( buttonSelected == -1 ) return; // No button selected, no action + float diffx = x - startx; + float diffy = y - starty; + switch ( manipulateState ) { case STATE_CAMERA_ROTATE_MOVE: - rotate += (x - startx); + // w: rotate + rotate += diffx; if ( buttonSelected == GLUT_LEFT_BUTTON ) { - // w: rotate, h: zoom - zoom += (y - starty); + // h: zoom + zoom += diffy; } else if ( buttonSelected == GLUT_MIDDLE_BUTTON ) { - // w: rotate, h: tilt - camAngle += (y - starty); + // h: tilt + camAngle += diffy; } - - starty = y; - startx = x; - break; case STATE_OBJECT_POSITION_SCALE: - //SceneObject co = sceneObjs[curObject]; if ( buttonSelected == GLUT_LEFT_BUTTON ) { // w: left/right, h: near/far - + + // **NOTE: Currently a work in progress + printf("cam angle: %f\n", rotate*rotateFactor); + sceneObjs[curObject].x += diffx * sin(rotate*rotateFactor); + sceneObjs[curObject].z += diffx * cos(rotate*rotateFactor); + } else if ( buttonSelected == GLUT_MIDDLE_BUTTON ) { - // w: big/small, h: up/down + // w: big/small + float max = (float)height/bigsmallFactor; + float scaling = (diffx + max) / max; + + sceneObjs[curObject].scale[0] *= scaling; + sceneObjs[curObject].scale[1] *= scaling; + sceneObjs[curObject].scale[2] *= scaling; + + // h: up/down + sceneObjs[curObject].y -= diffy * updownFactor; } + break; case STATE_OBJECT_ROTATION_TEXTURE_SCALE: if ( buttonSelected == GLUT_LEFT_BUTTON ) { // w: rotate on width, h: rotate on h + sceneObjs[curObject].rotation.x += diffx * rotateFactor; + } else if ( buttonSelected == GLUT_MIDDLE_BUTTON ) { - // w & h, rotate on h + // w: rotate on height, h: texture scale + } break; } + starty = y; + startx = x; + glutPostRedisplay(); } @@ -352,7 +378,7 @@ void display() { 0.0, 10.0, 0.0 /* up is in postivie Y direction */ ); - glRotatef(camAngle*camAngleFactor, 1.0, 0.0, 0.0); + glRotatef(camAngle*camAngleFactor, 1.0, 0.0, 0.0); // Set camera angle upward /* Reposition the light source 0. */ lightPosition0[0] = 12*cos(lightAngle0); @@ -389,14 +415,16 @@ void display() { glPushMatrix(); SceneObject so = sceneObjs[i]; - // Apply rotation vector - //glRotatef(so.rotation.amount, so.rotation.vector[0], so.rotation.vector[1], so.rotation.vector[2]); + // Apply independant rotation vectors + glRotatef(so.rotation.x, 1.0, 0.0, 0.0); + glRotatef(so.rotation.y, 0.0, 1.0, 0.0); + glRotatef(so.rotation.z, 0.0, 0.0, 1.0); // Apply scaling vector glScalef(so.scale[0], so.scale[1], so.scale[2]); // Apply translation vector - //glTranslatef(so.x, so.y, so.z); + glTranslatef(so.x, so.y, so.z); // Apply texture if ( so.texture > 0 ) { @@ -421,24 +449,22 @@ void display() { } - // Draw a white ball over the light source + // Draw a white ball over the light sources + glDisable(GL_LIGHTING); + glColor3f(1.0, 1.0, 1.0); + glPushMatrix(); - glDisable(GL_LIGHTING); - glColor3f(1.0, 1.0, 1.0); glTranslatef(lightPosition0[0], lightPosition0[1], lightPosition0[2]); glutSolidSphere(0.5, 50, 50); - glEnable(GL_LIGHTING); glPopMatrix(); - // Draw a white ball over the light source glPushMatrix(); - glDisable(GL_LIGHTING); - glColor3f(1.0, 1.0, 1.0); glTranslatef(lightPosition1[0], lightPosition1[1], lightPosition1[2]); glutSolidSphere(0.5, 50, 50); - glEnable(GL_LIGHTING); glPopMatrix(); + glEnable(GL_LIGHTING); + drawAxisLines(); glPopMatrix();