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Allow upside-down(ish) camera angles
author
Luke Lau
<luke_lau@icloud.com>
Mon, 15 Oct 2018 22:21:27 +0000
(23:21 +0100)
committer
Luke Lau
<luke_lau@icloud.com>
Mon, 15 Oct 2018 22:21:27 +0000
(23:21 +0100)
main.cpp
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diff --git
a/main.cpp
b/main.cpp
index 0b53eee3aace592eb49e2a730b21f9c77c8c4faa..4c9171ab71a63c726e19996252e402b4e24949e1 100644
(file)
--- a/
main.cpp
+++ b/
main.cpp
@@
-149,6
+149,7
@@
void drawTeapot(TeapotProjection proj, bool rotate, float d, glm::vec3 lightPos,
}
void display() {
}
void display() {
+ glClearColor(0.5, 0.5, 0.5, 1);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
float d = (float)glutGet(GLUT_ELAPSED_TIME) * 0.001f;
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
float d = (float)glutGet(GLUT_ELAPSED_TIME) * 0.001f;
@@
-531,6
+532,12
@@
void motion(int x, int y) {
front.y = sin(pitch);
front.z = cos(pitch) * sin(yaw);
camFront = glm::normalize(front);
front.y = sin(pitch);
front.z = cos(pitch) * sin(yaw);
camFront = glm::normalize(front);
+
+ if (pitch < -1.57079632679 || pitch >= 1.57079632679) {
+ camUp = glm::vec3(0, -1, 0);
+ } else {
+ camUp = glm::vec3(0, 1, 0);
+ }
}
void mouse(int button, int state, int x, int y) {
}
void mouse(int button, int state, int x, int y) {