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Add keyboard handler and camera translation

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This commit is contained in:
Meoweg 2015-11-04 20:54:47 +00:00
parent 110392e95d
commit dfcfe1b0be
1 changed files with 16 additions and 1 deletions
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17
main.cpp
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@ -10,8 +10,11 @@
#include <emscripten/emscripten.h>
#include <emscripten/html5.h>
static GLFWCALL void on_key(int key, int action);
static EM_BOOL on_em_mousemove(int event_type, const EmscriptenMouseEvent *mouse_event, void *user_data);
static bool keys[GLFW_KEY_LAST];
static GLuint load_shader(GLenum type, const char *source);
static GLuint vertex_shader;
@ -23,6 +26,7 @@ static void iterate();
static GLuint mvp_id;
static float pos_x = 0, pos_y = -4;
static float delta_z = 0, delta_x = 0;
static const char vertex_shader_source[] = \
@ -115,6 +119,7 @@ int main()
exit(EXIT_FAILURE);
}
glfwSetKeyCallback(on_key);
emscripten_set_mousemove_callback(nullptr, nullptr, false, on_em_mousemove);
vertex_shader = load_shader(GL_VERTEX_SHADER, vertex_shader_source);
@ -165,9 +170,14 @@ GLuint load_shader(const GLenum type, const char *source)
void iterate()
{
if (keys['W']) pos_y += 0.1;
if (keys['S']) pos_y -= 0.1;
if (keys['A']) pos_x -= 0.1;
if (keys['D']) pos_x += 0.1;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glm::mat4 model = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 4.0f, -2.0f));
glm::mat4 model = glm::translate(glm::mat4(1.0f), glm::vec3(-pos_x, -pos_y, -2.0f));
glm::mat4 view = glm::mat4(1.0f)
* glm::rotate(glm::mat4(1.0f), glm::radians(delta_x - 90), glm::vec3(1.0f, 0.0f, 0.0f))
@ -185,6 +195,11 @@ void iterate()
glfwPollEvents();
}
GLFWCALL void on_key(int key, int action)
{
keys[key] = action != GLFW_RELEASE;
}
EM_BOOL on_em_mousemove(int event_type, const EmscriptenMouseEvent *mouse_event, void *user_data)
{
delta_z += mouse_event->movementX;