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[examples] Add deadzone handling to core_input_gamepad example #4422

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merged 2 commits into from Oct 23, 2024
Merged

[examples] Add deadzone handling to core_input_gamepad example #4422

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d3cdcaf
Add deadzone handling to core_input_gamepad example
asdqwe Oct 23, 2024
97391e1
Rename variables
asdqwe Oct 23, 2024
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50 changes: 37 additions & 13 deletions examples/core/core_input_gamepad.c
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,14 @@ int main(void)
Texture2D texPs3Pad = LoadTexture("resources/ps3.png");
Texture2D texXboxPad = LoadTexture("resources/xbox.png");

// Set axis deadzones
const float laxdz = 0.1f; // Left analog X
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const float laydz = 0.1f; // Left analog Y
const float raxdz = 0.1f; // Right analog X
const float raydz = 0.1f; // Right analog Y
const float ltrdz = -0.9f; // Left trigger
const float rtrdz = -0.9f; // Right trigger

SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------

Expand All @@ -67,6 +75,22 @@ int main(void)
{
DrawText(TextFormat("GP%d: %s", gamepad, GetGamepadName(gamepad)), 10, 10, 10, BLACK);

// Get axis values
float lax = GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_X); // Left analog X
float lay = GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_Y); // Left analog Y
float rax = GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_X); // Right analog X
float ray = GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_Y); // Right analog Y
float ltr = GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_TRIGGER); // Left trigger
float rtr = GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_TRIGGER); // Right trigger

// Calculate deadzones
if (lax > -laxdz && lax < laxdz) lax = 0.0f;
if (lay > -laydz && lay < laydz) lay = 0.0f;
if (rax > -raxdz && rax < raxdz) rax = 0.0f;
if (ray > -raydz && ray < raydz) ray = 0.0f;
if (ltr < ltrdz) ltr = -1.0f;
if (rtr < rtrdz) rtr = -1.0f;

if (TextFindIndex(TextToLower(GetGamepadName(gamepad)), XBOX_ALIAS_1) > -1 || TextFindIndex(TextToLower(GetGamepadName(gamepad)), XBOX_ALIAS_2) > -1)
{
DrawTexture(texXboxPad, 0, 0, DARKGRAY);
Expand Down Expand Up @@ -100,22 +124,22 @@ int main(void)
if (IsGamepadButtonDown(gamepad, GAMEPAD_BUTTON_LEFT_THUMB)) leftGamepadColor = RED;
DrawCircle(259, 152, 39, BLACK);
DrawCircle(259, 152, 34, LIGHTGRAY);
DrawCircle(259 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_X)*20),
152 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_Y)*20), 25, leftGamepadColor);
DrawCircle(259 + (int)(lax*20),
152 + (int)(lay*20), 25, leftGamepadColor);

// Draw axis: right joystick
Color rightGamepadColor = BLACK;
if (IsGamepadButtonDown(gamepad, GAMEPAD_BUTTON_RIGHT_THUMB)) rightGamepadColor = RED;
DrawCircle(461, 237, 38, BLACK);
DrawCircle(461, 237, 33, LIGHTGRAY);
DrawCircle(461 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_X)*20),
237 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_Y)*20), 25, rightGamepadColor);
DrawCircle(461 + (int)(rax*20),
237 + (int)(ray*20), 25, rightGamepadColor);

// Draw axis: left-right triggers
DrawRectangle(170, 30, 15, 70, GRAY);
DrawRectangle(604, 30, 15, 70, GRAY);
DrawRectangle(170, 30, 15, (int)(((1 + GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_TRIGGER))/2)*70), RED);
DrawRectangle(604, 30, 15, (int)(((1 + GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_TRIGGER))/2)*70), RED);
DrawRectangle(170, 30, 15, (int)(((1 + ltr)/2)*70), RED);
DrawRectangle(604, 30, 15, (int)(((1 + rtr)/2)*70), RED);

//DrawText(TextFormat("Xbox axis LT: %02.02f", GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_TRIGGER)), 10, 40, 10, BLACK);
//DrawText(TextFormat("Xbox axis RT: %02.02f", GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_TRIGGER)), 10, 60, 10, BLACK);
Expand Down Expand Up @@ -150,24 +174,24 @@ int main(void)
// Draw axis: left joystick
Color leftGamepadColor = BLACK;
if (IsGamepadButtonDown(gamepad, GAMEPAD_BUTTON_LEFT_THUMB)) leftGamepadColor = RED;
DrawCircle(319, 255, 35, leftGamepadColor);
DrawCircle(319, 255, 35, BLACK);
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DrawCircle(319, 255, 31, LIGHTGRAY);
DrawCircle(319 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_X) * 20),
255 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_Y) * 20), 25, leftGamepadColor);
DrawCircle(319 + (int)(lax*20),
255 + (int)(lay*20), 25, leftGamepadColor);

// Draw axis: right joystick
Color rightGamepadColor = BLACK;
if (IsGamepadButtonDown(gamepad, GAMEPAD_BUTTON_RIGHT_THUMB)) rightGamepadColor = RED;
DrawCircle(475, 255, 35, BLACK);
DrawCircle(475, 255, 31, LIGHTGRAY);
DrawCircle(475 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_X) * 20),
255 + (int)(GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_Y) * 20), 25, rightGamepadColor);
DrawCircle(475 + (int)(rax*20),
255 + (int)(ray*20), 25, rightGamepadColor);

// Draw axis: left-right triggers
DrawRectangle(169, 48, 15, 70, GRAY);
DrawRectangle(611, 48, 15, 70, GRAY);
DrawRectangle(169, 48, 15, (int)(((1 - GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_LEFT_TRIGGER)) / 2) * 70), RED);
DrawRectangle(611, 48, 15, (int)(((1 - GetGamepadAxisMovement(gamepad, GAMEPAD_AXIS_RIGHT_TRIGGER)) / 2) * 70), RED);
DrawRectangle(169, 48, 15, (int)(((1 + ltr)/2)*70), RED);
DrawRectangle(611, 48, 15, (int)(((1 + rtr)/2)*70), RED);
}
else
{
Expand Down
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