Initial commit

1 files changed, 62 insertions, 0 deletions

diff --git a/07-july/src/player.c b/07-july/src/player.c
new file mode 100644
index 0000000..02a417b
--- /dev/null
+++ b/07-july/src/player.c
@@ -0,0 +1,62 @@
+#include "player.h"
+#include "util/util_time.h"
+#include "input.h"
+#include "util/util.h"
+
+#define MAX_MOVEMENT_SPEED 10
+#define MAX_ROTATION_SPEED 100
+#define GRAVITY -15
+#define JUMP_POWER 7
+
+static void jump(player_t* player)
+{
+    player->verticalSpeed = JUMP_POWER;
+}
+
+static void check_input(player_t* player)
+{
+    if(Input_isKeyPressed(SDL_SCANCODE_W)) {
+        player->speed = MAX_MOVEMENT_SPEED;
+    } else if(Input_isKeyPressed(SDL_SCANCODE_S)) {
+        player->speed = -MAX_MOVEMENT_SPEED;
+    } else {
+        player->speed = 0.0f;
+    }
+
+    if(Input_isKeyPressed(SDL_SCANCODE_A)) {
+        player->turnSpeed = MAX_ROTATION_SPEED;
+    } else if(Input_isKeyPressed(SDL_SCANCODE_D)) {
+        player->turnSpeed = -MAX_ROTATION_SPEED;
+    } else {
+        player->turnSpeed = 0.0f;
+    }
+
+    if(Input_isKeyPressed(SDL_SCANCODE_SPACE)) {
+        jump(player);
+    }
+}
+
+void Player_Init(player_t* player)
+{
+    player->entity.position = vec3_create(0.0f, 6.0f, 0.0f);
+    player->entity.rotX = player->entity.rotY = player->entity.rotZ = 0;
+    player->speed = player->turnSpeed = player->verticalSpeed = 0;
+}
+
+void Player_Update(player_t *player, terrain_t *terrain)
+{
+    check_input(player);
+    player->entity.rotY += player->turnSpeed * Time_GetFrameTime();
+    player->entity.position.x += SDL_sinf(toRadians(player->entity.rotY)) * player->speed * Time_GetFrameTime();
+    player->entity.position.z += SDL_cosf(toRadians(player->entity.rotY)) * player->speed * Time_GetFrameTime();
+
+    player->verticalSpeed += GRAVITY * Time_GetFrameTime();
+
+    player->entity.position.y += player->verticalSpeed * Time_GetFrameTime();
+
+    GLfloat terrainHeight = Terrain_GetHeightOfTerrain(terrain, player->entity.position.x, player->entity.position.z);
+    if(player->entity.position.y - 1.0f < terrainHeight) {
+        player->entity.position.y = terrainHeight + 1.0f;
+        player->verticalSpeed = 0.0f;
+    }
+}