| /* |
| * (c) Copyright 1993, Silicon Graphics, Inc. |
| * Copyright © 2012 Linaro Limited |
| * |
| * This file is part of the glmark2 OpenGL (ES) 2.0 benchmark. |
| * |
| * glmark2 is free software: you can redistribute it and/or modify it under the |
| * terms of the GNU General Public License as published by the Free Software |
| * Foundation, either version 3 of the License, or (at your option) any later |
| * version. |
| * |
| * glmark2 is distributed in the hope that it will be useful, but WITHOUT ANY |
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
| * details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * glmark2. If not, see <http://www.gnu.org/licenses/>. |
| * |
| * Authors: |
| * Jesse Barker |
| */ |
| #include "splines.h" |
| |
| using LibMatrix::vec3; |
| |
| void |
| Spline::calcParams() |
| { |
| unsigned int numParams(controlData_.size() - 3); |
| paramData_ = new param[numParams]; |
| for (unsigned int i = 0; i < numParams; i++) |
| { |
| float x3(controlData_[i + 1].x()); |
| float x2(controlData_[i + 2].x() - controlData_[i].x()); |
| float x1(2.0 * controlData_[i].x() + |
| -2.0 * controlData_[i+1].x() + |
| 1.0 * controlData_[i+2].x() + |
| -1.0 * controlData_[i+3].x()); |
| float x0(-1.0 * controlData_[i].x() + |
| 1.0 * controlData_[i+1].x() + |
| -1.0 * controlData_[i+2].x() + |
| 1.0 * controlData_[i+3].x()); |
| float y3(controlData_[i + 1].y()); |
| float y2(controlData_[i + 2].y() - controlData_[i].y()); |
| float y1(2.0 * controlData_[i].y() + |
| -2.0 * controlData_[i+1].y() + |
| 1.0 * controlData_[i+2].y() + |
| -1.0 * controlData_[i+3].y()); |
| float y0(-1.0 * controlData_[i].y() + |
| 1.0 * controlData_[i+1].y() + |
| -1.0 * controlData_[i+2].y() + |
| 1.0 * controlData_[i+3].y()); |
| float z3(controlData_[i + 1].z()); |
| float z2(controlData_[i + 2].z() - controlData_[i].z()); |
| float z1(2.0 * controlData_[i].z() + |
| -2.0 * controlData_[i+1].z() + |
| 1.0 * controlData_[i+2].z() + |
| -1.0 * controlData_[i+3].z()); |
| float z0(-1.0 * controlData_[i].z() + |
| 1.0 * controlData_[i+1].z() + |
| -1.0 * controlData_[i+2].z() + |
| 1.0 * controlData_[i+3].z()); |
| paramData_[i][3].x(x3); |
| paramData_[i][2].x(x2); |
| paramData_[i][1].x(x1); |
| paramData_[i][0].x(x0); |
| paramData_[i][3].y(y3); |
| paramData_[i][2].y(y2); |
| paramData_[i][1].y(y1); |
| paramData_[i][0].y(y0); |
| paramData_[i][3].z(z3); |
| paramData_[i][2].z(z2); |
| paramData_[i][1].z(z1); |
| paramData_[i][0].z(z0); |
| } |
| } |
| |
| void |
| Spline::getCurrentVec(float currentTime, vec3& v) const |
| { |
| unsigned int integerTime(static_cast<unsigned int>(currentTime)); |
| float t(currentTime - static_cast<float>(integerTime)); |
| v.x(paramData_[integerTime][3].x() + |
| paramData_[integerTime][2].x() * t + |
| paramData_[integerTime][1].x() * t * t + |
| paramData_[integerTime][0].x() * t * t * t); |
| v.y(paramData_[integerTime][3].y() + |
| paramData_[integerTime][2].y() * t + |
| paramData_[integerTime][1].y() * t * t + |
| paramData_[integerTime][0].y() * t * t * t); |
| v.z(paramData_[integerTime][3].z() + |
| paramData_[integerTime][2].z() * t + |
| paramData_[integerTime][1].z() * t * t + |
| paramData_[integerTime][0].z() * t * t * t); |
| } |
| |
| ViewFromSpline::ViewFromSpline() |
| { |
| addControlPoint(vec3(-1.0, 1.0, -4.0)); |
| addControlPoint(vec3(-1.0, -3.0, -4.0)); |
| addControlPoint(vec3(-3.0, 1.0, -3.0)); |
| addControlPoint(vec3(-1.8, 2.0, 5.4)); |
| addControlPoint(vec3(-0.4, 2.0, 1.2)); |
| addControlPoint(vec3(-0.2, 1.5, 0.6)); |
| addControlPoint(vec3(-0.2, 1.2, 0.6)); |
| addControlPoint(vec3(-0.8, 1.0, 2.4)); |
| addControlPoint(vec3(-1.0, 2.0, 3.0)); |
| addControlPoint(vec3(0.0, 4.0, 3.6)); |
| addControlPoint(vec3(-0.8, 4.0, 1.2)); |
| addControlPoint(vec3(-0.2, 3.0, 0.6)); |
| addControlPoint(vec3(-0.1, 2.0, 0.3)); |
| addControlPoint(vec3(-0.1, 2.0, 0.3)); |
| addControlPoint(vec3(-0.1, 2.0, 0.3)); |
| addControlPoint(vec3(-0.1, 2.0, 0.3)); |
| calcParams(); |
| } |
| |
| ViewToSpline::ViewToSpline() |
| { |
| addControlPoint(vec3(-1.0, 1.0, 0.0)); |
| addControlPoint(vec3(-1.0, -3.0, 0.0)); |
| addControlPoint(vec3(-1.0, 1.0, 0.0)); |
| addControlPoint(vec3(0.1, 0.0, -0.3)); |
| addControlPoint(vec3(0.1, 0.0, -0.3)); |
| addControlPoint(vec3(0.1, 0.0, -0.3)); |
| addControlPoint(vec3(0.0, 0.2, 0.0)); |
| addControlPoint(vec3(0.0, 0.6, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| calcParams(); |
| } |
| |
| LightPositionSpline::LightPositionSpline() |
| { |
| addControlPoint(vec3(0.0, 1.8, 0.0)); |
| addControlPoint(vec3(0.0, 1.8, 0.0)); |
| addControlPoint(vec3(0.0, 1.6, 0.0)); |
| addControlPoint(vec3(0.0, 1.6, 0.0)); |
| addControlPoint(vec3(0.0, 1.6, 0.0)); |
| addControlPoint(vec3(0.0, 1.6, 0.0)); |
| addControlPoint(vec3(0.0, 1.4, 0.0)); |
| addControlPoint(vec3(0.0, 1.3, 0.0)); |
| addControlPoint(vec3(-0.2, 1.5, 2.0)); |
| addControlPoint(vec3(0.8, 1.5, -0.4)); |
| addControlPoint(vec3(-0.8, 1.5, -0.4)); |
| addControlPoint(vec3(0.8, 2.0, 1.0)); |
| addControlPoint(vec3(1.8, 5.0, -1.8)); |
| addControlPoint(vec3(8.0, 10.0, -4.0)); |
| addControlPoint(vec3(8.0, 10.0, -4.0)); |
| addControlPoint(vec3(8.0, 10.0, -4.0)); |
| calcParams(); |
| } |
| |
| LogoPositionSpline::LogoPositionSpline() |
| { |
| addControlPoint(vec3(0.0, -0.5, 0.0)); |
| addControlPoint(vec3(0.0, -0.5, 0.0)); |
| addControlPoint(vec3(0.0, -0.5, 0.0)); |
| addControlPoint(vec3(0.0, -0.5, 0.0)); |
| addControlPoint(vec3(0.0, -0.5, 0.0)); |
| addControlPoint(vec3(0.0, -0.5, 0.0)); |
| addControlPoint(vec3(0.0, 0.0, 0.0)); |
| addControlPoint(vec3(0.0, 0.6, 0.0)); |
| addControlPoint(vec3(0.0, 0.75, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.8, 0.0)); |
| addControlPoint(vec3(0.0, 0.5, 0.0)); |
| addControlPoint(vec3(0.0, 0.5, 0.0)); |
| addControlPoint(vec3(0.0, 0.5, 0.0)); |
| addControlPoint(vec3(0.0, 0.5, 0.0)); |
| addControlPoint(vec3(0.0, 0.5, 0.0)); |
| calcParams(); |
| } |
| |
| LogoRotationSpline::LogoRotationSpline() |
| { |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(0.0, 0.0, -18.4)); |
| addControlPoint(vec3(240.0, 360.0, 180.0)); |
| addControlPoint(vec3(90.0, 180.0, 90.0)); |
| addControlPoint(vec3(11.9, 0.0, -18.4)); |
| addControlPoint(vec3(11.9, 0.0, -18.4)); |
| addControlPoint(vec3(11.9, 0.0, -18.4)); |
| addControlPoint(vec3(11.9, 0.0, -18.4)); |
| addControlPoint(vec3(11.9, 0.0, -18.4)); |
| calcParams(); |
| } |
