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This commit is contained in:
raysan5 2019-07-28 15:33:55 +02:00
parent 895f9613d2
commit b83d165764
2 changed files with 38 additions and 38 deletions
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68
examples/textures/textures_mouse_painting.c
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@ -65,13 +65,13 @@ int main(void)
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
Vector2 mousePos = GetMousePosition();
// Update
//----------------------------------------------------------------------------------
Vector2 mousePos = GetMousePosition();
// Switch between colors
if (IsKeyPressed(KEY_RIGHT)) colorSelected++;
else if (IsKeyPressed(KEY_LEFT)) colorSelected--;
// Switch between colors
if (IsKeyPressed(KEY_RIGHT)) colorSelected++;
else if (IsKeyPressed(KEY_LEFT)) colorSelected--;
else if (IsKeyPressed(KEY_UP)) colorSelected -= 3;
else if (IsKeyPressed(KEY_DOWN)) colorSelected += 3;
@ -91,41 +91,41 @@ int main(void)
colorSelectedPrev = colorSelected;
}
if (colorSelected >= MAX_COLORS_COUNT) colorSelected = MAX_COLORS_COUNT - 1;
else if (colorSelected < 0) colorSelected = 0;
if (colorSelected >= MAX_COLORS_COUNT) colorSelected = MAX_COLORS_COUNT - 1;
else if (colorSelected < 0) colorSelected = 0;
// Change brush size
brushSize += GetMouseWheelMove()*5;
if (brushSize < 2) brushSize = 2;
if (brushSize > 50) brushSize = 50;
brushSize += GetMouseWheelMove()*5;
if (brushSize < 2) brushSize = 2;
if (brushSize > 50) brushSize = 50;
if (IsKeyPressed(KEY_C))
if (IsKeyPressed(KEY_C))
{
// Clear render texture to clear color
BeginTextureMode(target);
ClearBackground(colors[0]);
EndTextureMode();
}
BeginTextureMode(target);
ClearBackground(colors[0]);
EndTextureMode();
}
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
{
// Paint circle into render texture
// NOTE: To avoid discontinuous circles, we could store
// previous-next mouse points and just draw a line using brush size
BeginTextureMode(target);
if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[colorSelected]);
EndTextureMode();
}
BeginTextureMode(target);
if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[colorSelected]);
EndTextureMode();
}
if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON))
if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON))
{
colorSelected = 0;
// Erase circle from render texture
BeginTextureMode(target);
if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[0]);
EndTextureMode();
}
BeginTextureMode(target);
if (mousePos.y > 50) DrawCircle(mousePos.x, mousePos.y, brushSize, colors[0]);
EndTextureMode();
}
else colorSelected = colorSelectedPrev;
// Check mouse hover save button
@ -152,16 +152,16 @@ int main(void)
saveMessageCounter = 0;
}
}
//----------------------------------------------------------------------------------
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
// NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE);
// NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE);
// Draw drawing circle for reference
if (mousePos.y > 50)
@ -194,8 +194,8 @@ int main(void)
DrawText("IMAGE SAVED: my_amazing_texture_painting.png", 150, 180, 20, RAYWHITE);
}
EndDrawing();
//----------------------------------------------------------------------------------
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization